Home / 749,123.62-1,033,790.60-409,591.88

Finding the Fourth Proportional to 749,123.62, 1,033,790.60 and 409,591.88

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Solution

The fourth proportional to 749,123.62, 1,033,790.60 and 409,591.88 is: 565,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,123.62 : 1,033,790.60 = 409,591.88 : x
  2. Step 2: Convert to fraction form
    749,123.62/1,033,790.60 = 409,591.88/x
  3. Step 3: Cross multiply
    749,123.62x = 1,033,790.60 × 409,591.88
  4. Step 4: Simplify right side
    749,123.62x = 423,432,235,380.33
  5. Step 5: Solve for x
    x = 423,432,235,380.33/749,123.62
  6. Step 6: Final answer
    x = 565,236.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.