Home / 539,105.30-808,544.55-272,615.30

Finding the Fourth Proportional to 539,105.30, 808,544.55 and 272,615.30

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Solution

The fourth proportional to 539,105.30, 808,544.55 and 272,615.30 is: 408,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,105.30 : 808,544.55 = 272,615.30 : x
  2. Step 2: Convert to fraction form
    539,105.30/808,544.55 = 272,615.30/x
  3. Step 3: Cross multiply
    539,105.30x = 808,544.55 × 272,615.30
  4. Step 4: Simplify right side
    539,105.30x = 220,421,615,061.62
  5. Step 5: Solve for x
    x = 220,421,615,061.62/539,105.30
  6. Step 6: Final answer
    x = 408,865.61

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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.