Home / 614,098.20-921,147.30-277,518.90

Finding the Fourth Proportional to 614,098.20, 921,147.30 and 277,518.90

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Solution

The fourth proportional to 614,098.20, 921,147.30 and 277,518.90 is: 416,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,098.20 : 921,147.30 = 277,518.90 : x
  2. Step 2: Convert to fraction form
    614,098.20/921,147.30 = 277,518.90/x
  3. Step 3: Cross multiply
    614,098.20x = 921,147.30 × 277,518.90
  4. Step 4: Simplify right side
    614,098.20x = 255,635,785,433.97
  5. Step 5: Solve for x
    x = 255,635,785,433.97/614,098.20
  6. Step 6: Final answer
    x = 416,278.35

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Double scale
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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.