Home / 614,164.20-921,246.30-314,545.20

Finding the Fourth Proportional to 614,164.20, 921,246.30 and 314,545.20

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Solution

The fourth proportional to 614,164.20, 921,246.30 and 314,545.20 is: 471,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,164.20 : 921,246.30 = 314,545.20 : x
  2. Step 2: Convert to fraction form
    614,164.20/921,246.30 = 314,545.20/x
  3. Step 3: Cross multiply
    614,164.20x = 921,246.30 × 314,545.20
  4. Step 4: Simplify right side
    614,164.20x = 289,773,601,682.76
  5. Step 5: Solve for x
    x = 289,773,601,682.76/614,164.20
  6. Step 6: Final answer
    x = 471,817.80

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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.