Home / 1,144,149.10-1,716,223.65-291,219.10

Finding the Fourth Proportional to 1,144,149.10, 1,716,223.65 and 291,219.10

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Solution

The fourth proportional to 1,144,149.10, 1,716,223.65 and 291,219.10 is: 436,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,149.10 : 1,716,223.65 = 291,219.10 : x
  2. Step 2: Convert to fraction form
    1,144,149.10/1,716,223.65 = 291,219.10/x
  3. Step 3: Cross multiply
    1,144,149.10x = 1,716,223.65 × 291,219.10
  4. Step 4: Simplify right side
    1,144,149.10x = 499,797,106,751.72
  5. Step 5: Solve for x
    x = 499,797,106,751.72/1,144,149.10
  6. Step 6: Final answer
    x = 436,828.65

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Half scale
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Double scale
Find fourth proportional to 1,144,150.10, 1,716,225.15 and 291,220.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.