Home / 1,101,105.46-1,519,523.07-611,150.05

Finding the Fourth Proportional to 1,101,105.46, 1,519,523.07 and 611,150.05

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Solution

The fourth proportional to 1,101,105.46, 1,519,523.07 and 611,150.05 is: 843,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,105.46 : 1,519,523.07 = 611,150.05 : x
  2. Step 2: Convert to fraction form
    1,101,105.46/1,519,523.07 = 611,150.05/x
  3. Step 3: Cross multiply
    1,101,105.46x = 1,519,523.07 × 611,150.05
  4. Step 4: Simplify right side
    1,101,105.46x = 928,656,600,206.65
  5. Step 5: Solve for x
    x = 928,656,600,206.65/1,101,105.46
  6. Step 6: Final answer
    x = 843,385.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.