Home / 566,434.29-781,281.21-372,780.30

Finding the Fourth Proportional to 566,434.29, 781,281.21 and 372,780.30

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Solution

The fourth proportional to 566,434.29, 781,281.21 and 372,780.30 is: 514,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,434.29 : 781,281.21 = 372,780.30 : x
  2. Step 2: Convert to fraction form
    566,434.29/781,281.21 = 372,780.30/x
  3. Step 3: Cross multiply
    566,434.29x = 781,281.21 × 372,780.30
  4. Step 4: Simplify right side
    566,434.29x = 291,246,243,848.16
  5. Step 5: Solve for x
    x = 291,246,243,848.16/566,434.29
  6. Step 6: Final answer
    x = 514,174.81

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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.