Home / 729,237.71-1,006,227.69-406,947.04

Finding the Fourth Proportional to 729,237.71, 1,006,227.69 and 406,947.04

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Solution

The fourth proportional to 729,237.71, 1,006,227.69 and 406,947.04 is: 561,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,237.71 : 1,006,227.69 = 406,947.04 : x
  2. Step 2: Convert to fraction form
    729,237.71/1,006,227.69 = 406,947.04/x
  3. Step 3: Cross multiply
    729,237.71x = 1,006,227.69 × 406,947.04
  4. Step 4: Simplify right side
    729,237.71x = 409,481,377,114.46
  5. Step 5: Solve for x
    x = 409,481,377,114.46/729,237.71
  6. Step 6: Final answer
    x = 561,519.75

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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.