Home / 445,535.20-614,781.93-254,560.96

Finding the Fourth Proportional to 445,535.20, 614,781.93 and 254,560.96

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Solution

The fourth proportional to 445,535.20, 614,781.93 and 254,560.96 is: 351,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,535.20 : 614,781.93 = 254,560.96 : x
  2. Step 2: Convert to fraction form
    445,535.20/614,781.93 = 254,560.96/x
  3. Step 3: Cross multiply
    445,535.20x = 614,781.93 × 254,560.96
  4. Step 4: Simplify right side
    445,535.20x = 156,499,478,291.45
  5. Step 5: Solve for x
    x = 156,499,478,291.45/445,535.20
  6. Step 6: Final answer
    x = 351,261.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.