Home / 566,215.17-781,353.35-308,093.13

Finding the Fourth Proportional to 566,215.17, 781,353.35 and 308,093.13

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Solution

The fourth proportional to 566,215.17, 781,353.35 and 308,093.13 is: 425,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,215.17 : 781,353.35 = 308,093.13 : x
  2. Step 2: Convert to fraction form
    566,215.17/781,353.35 = 308,093.13/x
  3. Step 3: Cross multiply
    566,215.17x = 781,353.35 × 308,093.13
  4. Step 4: Simplify right side
    566,215.17x = 240,729,593,790.25
  5. Step 5: Solve for x
    x = 240,729,593,790.25/566,215.17
  6. Step 6: Final answer
    x = 425,155.68

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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.