Home / 704,553.91-1,057,021.47-502,405.35

Finding the Fourth Proportional to 704,553.91, 1,057,021.47 and 502,405.35

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Solution

The fourth proportional to 704,553.91, 1,057,021.47 and 502,405.35 is: 753,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,553.91 : 1,057,021.47 = 502,405.35 : x
  2. Step 2: Convert to fraction form
    704,553.91/1,057,021.47 = 502,405.35/x
  3. Step 3: Cross multiply
    704,553.91x = 1,057,021.47 × 502,405.35
  4. Step 4: Simplify right side
    704,553.91x = 531,053,241,592.86
  5. Step 5: Solve for x
    x = 531,053,241,592.86/704,553.91
  6. Step 6: Final answer
    x = 753,743.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.