Home / 539,127.20-808,690.80-329,175.20

Finding the Fourth Proportional to 539,127.20, 808,690.80 and 329,175.20

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Solution

The fourth proportional to 539,127.20, 808,690.80 and 329,175.20 is: 493,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,127.20 : 808,690.80 = 329,175.20 : x
  2. Step 2: Convert to fraction form
    539,127.20/808,690.80 = 329,175.20/x
  3. Step 3: Cross multiply
    539,127.20x = 808,690.80 × 329,175.20
  4. Step 4: Simplify right side
    539,127.20x = 266,200,955,828.16
  5. Step 5: Solve for x
    x = 266,200,955,828.16/539,127.20
  6. Step 6: Final answer
    x = 493,762.80

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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.