Home / 1,253,114.16-1,729,299.42-680,154.59

Finding the Fourth Proportional to 1,253,114.16, 1,729,299.42 and 680,154.59

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Solution

The fourth proportional to 1,253,114.16, 1,729,299.42 and 680,154.59 is: 938,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,114.16 : 1,729,299.42 = 680,154.59 : x
  2. Step 2: Convert to fraction form
    1,253,114.16/1,729,299.42 = 680,154.59/x
  3. Step 3: Cross multiply
    1,253,114.16x = 1,729,299.42 × 680,154.59
  4. Step 4: Simplify right side
    1,253,114.16x = 1,176,190,929,350.84
  5. Step 5: Solve for x
    x = 1,176,190,929,350.84/1,253,114.16
  6. Step 6: Final answer
    x = 938,614.35

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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.