Home / 566,291.19-781,484.43-324,587.90

Finding the Fourth Proportional to 566,291.19, 781,484.43 and 324,587.90

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Solution

The fourth proportional to 566,291.19, 781,484.43 and 324,587.90 is: 447,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,291.19 : 781,484.43 = 324,587.90 : x
  2. Step 2: Convert to fraction form
    566,291.19/781,484.43 = 324,587.90/x
  3. Step 3: Cross multiply
    566,291.19x = 781,484.43 × 324,587.90
  4. Step 4: Simplify right side
    566,291.19x = 253,660,386,108.98
  5. Step 5: Solve for x
    x = 253,660,386,108.98/566,291.19
  6. Step 6: Final answer
    x = 447,932.78

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Half scale
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Double scale
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1.5x scale

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.