Home / 1,144,145.77-1,716,496.11-345,379.59

Finding the Fourth Proportional to 1,144,145.77, 1,716,496.11 and 345,379.59

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Solution

The fourth proportional to 1,144,145.77, 1,716,496.11 and 345,379.59 is: 518,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,145.77 : 1,716,496.11 = 345,379.59 : x
  2. Step 2: Convert to fraction form
    1,144,145.77/1,716,496.11 = 345,379.59/x
  3. Step 3: Cross multiply
    1,144,145.77x = 1,716,496.11 × 345,379.59
  4. Step 4: Simplify right side
    1,144,145.77x = 592,842,722,708.40
  5. Step 5: Solve for x
    x = 592,842,722,708.40/1,144,145.77
  6. Step 6: Final answer
    x = 518,153.14

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Double scale
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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.