Home / 641,399.04-884,545.92-550,726.56

Finding the Fourth Proportional to 641,399.04, 884,545.92 and 550,726.56

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Solution

The fourth proportional to 641,399.04, 884,545.92 and 550,726.56 is: 759,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,399.04 : 884,545.92 = 550,726.56 : x
  2. Step 2: Convert to fraction form
    641,399.04/884,545.92 = 550,726.56/x
  3. Step 3: Cross multiply
    641,399.04x = 884,545.92 × 550,726.56
  4. Step 4: Simplify right side
    641,399.04x = 487,142,931,683.64
  5. Step 5: Solve for x
    x = 487,142,931,683.64/641,399.04
  6. Step 6: Final answer
    x = 759,500.56

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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.