Home / 539,088.20-807,077.10-329,136.20

Finding the Fourth Proportional to 539,088.20, 807,077.10 and 329,136.20

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Solution

The fourth proportional to 539,088.20, 807,077.10 and 329,136.20 is: 492,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,088.20 : 807,077.10 = 329,136.20 : x
  2. Step 2: Convert to fraction form
    539,088.20/807,077.10 = 329,136.20/x
  3. Step 3: Cross multiply
    539,088.20x = 807,077.10 × 329,136.20
  4. Step 4: Simplify right side
    539,088.20x = 265,638,289,801.02
  5. Step 5: Solve for x
    x = 265,638,289,801.02/539,088.20
  6. Step 6: Final answer
    x = 492,754.78

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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.