Home / 542,928.18-749,240.60-297,914.55

Finding the Fourth Proportional to 542,928.18, 749,240.60 and 297,914.55

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Solution

The fourth proportional to 542,928.18, 749,240.60 and 297,914.55 is: 411,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,928.18 : 749,240.60 = 297,914.55 : x
  2. Step 2: Convert to fraction form
    542,928.18/749,240.60 = 297,914.55/x
  3. Step 3: Cross multiply
    542,928.18x = 749,240.60 × 297,914.55
  4. Step 4: Simplify right side
    542,928.18x = 223,209,676,190.73
  5. Step 5: Solve for x
    x = 223,209,676,190.73/542,928.18
  6. Step 6: Final answer
    x = 411,121.92

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Double scale
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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.