Home / 566,110.92-781,233.02-311,456.64

Finding the Fourth Proportional to 566,110.92, 781,233.02 and 311,456.64

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Solution

The fourth proportional to 566,110.92, 781,233.02 and 311,456.64 is: 429,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,110.92 : 781,233.02 = 311,456.64 : x
  2. Step 2: Convert to fraction form
    566,110.92/781,233.02 = 311,456.64/x
  3. Step 3: Cross multiply
    566,110.92x = 781,233.02 × 311,456.64
  4. Step 4: Simplify right side
    566,110.92x = 243,320,211,466.25
  5. Step 5: Solve for x
    x = 243,320,211,466.25/566,110.92
  6. Step 6: Final answer
    x = 429,810.14

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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.