Home / 539,478.01-809,217.42-140,085.24

Finding the Fourth Proportional to 539,478.01, 809,217.42 and 140,085.24

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Solution

The fourth proportional to 539,478.01, 809,217.42 and 140,085.24 is: 210,127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,478.01 : 809,217.42 = 140,085.24 : x
  2. Step 2: Convert to fraction form
    539,478.01/809,217.42 = 140,085.24/x
  3. Step 3: Cross multiply
    539,478.01x = 809,217.42 × 140,085.24
  4. Step 4: Simplify right side
    539,478.01x = 113,359,416,492.88
  5. Step 5: Solve for x
    x = 113,359,416,492.88/539,478.01
  6. Step 6: Final answer
    x = 210,127.97

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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.