Home / 951,715.17-1,313,368.83-521,998.83

Finding the Fourth Proportional to 951,715.17, 1,313,368.83 and 521,998.83

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Solution

The fourth proportional to 951,715.17, 1,313,368.83 and 521,998.83 is: 720,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,715.17 : 1,313,368.83 = 521,998.83 : x
  2. Step 2: Convert to fraction form
    951,715.17/1,313,368.83 = 521,998.83/x
  3. Step 3: Cross multiply
    951,715.17x = 1,313,368.83 × 521,998.83
  4. Step 4: Simplify right side
    951,715.17x = 685,576,992,618.47
  5. Step 5: Solve for x
    x = 685,576,992,618.47/951,715.17
  6. Step 6: Final answer
    x = 720,359.42

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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.