Home / 621,433.55-932,150.40-195,035.18

Finding the Fourth Proportional to 621,433.55, 932,150.40 and 195,035.18

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Solution

The fourth proportional to 621,433.55, 932,150.40 and 195,035.18 is: 292,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,433.55 : 932,150.40 = 195,035.18 : x
  2. Step 2: Convert to fraction form
    621,433.55/932,150.40 = 195,035.18/x
  3. Step 3: Cross multiply
    621,433.55x = 932,150.40 × 195,035.18
  4. Step 4: Simplify right side
    621,433.55x = 181,802,115,658.94
  5. Step 5: Solve for x
    x = 181,802,115,658.94/621,433.55
  6. Step 6: Final answer
    x = 292,552.78

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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.