Home / 539,030.20-808,545.30-329,078.20

Finding the Fourth Proportional to 539,030.20, 808,545.30 and 329,078.20

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Solution

The fourth proportional to 539,030.20, 808,545.30 and 329,078.20 is: 493,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,030.20 : 808,545.30 = 329,078.20 : x
  2. Step 2: Convert to fraction form
    539,030.20/808,545.30 = 329,078.20/x
  3. Step 3: Cross multiply
    539,030.20x = 808,545.30 × 329,078.20
  4. Step 4: Simplify right side
    539,030.20x = 266,074,631,942.46
  5. Step 5: Solve for x
    x = 266,074,631,942.46/539,030.20
  6. Step 6: Final answer
    x = 493,617.30

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Double scale
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Similar ratio
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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.