Home / 521,839.02-782,746.17-166,856.13

Finding the Fourth Proportional to 521,839.02, 782,746.17 and 166,856.13

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Solution

The fourth proportional to 521,839.02, 782,746.17 and 166,856.13 is: 250,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,839.02 : 782,746.17 = 166,856.13 : x
  2. Step 2: Convert to fraction form
    521,839.02/782,746.17 = 166,856.13/x
  3. Step 3: Cross multiply
    521,839.02x = 782,746.17 × 166,856.13
  4. Step 4: Simplify right side
    521,839.02x = 130,605,996,698.52
  5. Step 5: Solve for x
    x = 130,605,996,698.52/521,839.02
  6. Step 6: Final answer
    x = 250,280.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.