Home / 621,848.20-932,772.30-486,545.80

Finding the Fourth Proportional to 621,848.20, 932,772.30 and 486,545.80

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Solution

The fourth proportional to 621,848.20, 932,772.30 and 486,545.80 is: 729,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,848.20 : 932,772.30 = 486,545.80 : x
  2. Step 2: Convert to fraction form
    621,848.20/932,772.30 = 486,545.80/x
  3. Step 3: Cross multiply
    621,848.20x = 932,772.30 × 486,545.80
  4. Step 4: Simplify right side
    621,848.20x = 453,836,444,921.34
  5. Step 5: Solve for x
    x = 453,836,444,921.34/621,848.20
  6. Step 6: Final answer
    x = 729,818.70

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Half scale
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Double scale
Find fourth proportional to 621,849.20, 932,773.80 and 486,546.80
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.