Home / 729,057.92-1,006,098.54-406,748.84

Finding the Fourth Proportional to 729,057.92, 1,006,098.54 and 406,748.84

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Solution

The fourth proportional to 729,057.92, 1,006,098.54 and 406,748.84 is: 561,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,057.92 : 1,006,098.54 = 406,748.84 : x
  2. Step 2: Convert to fraction form
    729,057.92/1,006,098.54 = 406,748.84/x
  3. Step 3: Cross multiply
    729,057.92x = 1,006,098.54 × 406,748.84
  4. Step 4: Simplify right side
    729,057.92x = 409,229,414,070.69
  5. Step 5: Solve for x
    x = 409,229,414,070.69/729,057.92
  6. Step 6: Final answer
    x = 561,312.62

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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.