Home / 377,545.04-521,022.48-207,789.56

Finding the Fourth Proportional to 377,545.04, 521,022.48 and 207,789.56

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Solution

The fourth proportional to 377,545.04, 521,022.48 and 207,789.56 is: 286,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,545.04 : 521,022.48 = 207,789.56 : x
  2. Step 2: Convert to fraction form
    377,545.04/521,022.48 = 207,789.56/x
  3. Step 3: Cross multiply
    377,545.04x = 521,022.48 × 207,789.56
  4. Step 4: Simplify right side
    377,545.04x = 108,263,031,869.31
  5. Step 5: Solve for x
    x = 108,263,031,869.31/377,545.04
  6. Step 6: Final answer
    x = 286,755.28

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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.