Home / 377,618.40-566,427.60-361,439.20

Finding the Fourth Proportional to 377,618.40, 566,427.60 and 361,439.20

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Solution

The fourth proportional to 377,618.40, 566,427.60 and 361,439.20 is: 542,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,618.40 : 566,427.60 = 361,439.20 : x
  2. Step 2: Convert to fraction form
    377,618.40/566,427.60 = 361,439.20/x
  3. Step 3: Cross multiply
    377,618.40x = 566,427.60 × 361,439.20
  4. Step 4: Simplify right side
    377,618.40x = 204,729,138,601.92
  5. Step 5: Solve for x
    x = 204,729,138,601.92/377,618.40
  6. Step 6: Final answer
    x = 542,158.80

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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.