Home / 445,534.20-614,780.55-254,559.96

Finding the Fourth Proportional to 445,534.20, 614,780.55 and 254,559.96

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Solution

The fourth proportional to 445,534.20, 614,780.55 and 254,559.96 is: 351,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,534.20 : 614,780.55 = 254,559.96 : x
  2. Step 2: Convert to fraction form
    445,534.20/614,780.55 = 254,559.96/x
  3. Step 3: Cross multiply
    445,534.20x = 614,780.55 × 254,559.96
  4. Step 4: Simplify right side
    445,534.20x = 156,498,512,216.78
  5. Step 5: Solve for x
    x = 156,498,512,216.78/445,534.20
  6. Step 6: Final answer
    x = 351,260.38

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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.