Home / 609,370.20-914,140.35-254,302.83

Finding the Fourth Proportional to 609,370.20, 914,140.35 and 254,302.83

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Solution

The fourth proportional to 609,370.20, 914,140.35 and 254,302.83 is: 381,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,370.20 : 914,140.35 = 254,302.83 : x
  2. Step 2: Convert to fraction form
    609,370.20/914,140.35 = 254,302.83/x
  3. Step 3: Cross multiply
    609,370.20x = 914,140.35 × 254,302.83
  4. Step 4: Simplify right side
    609,370.20x = 232,468,478,022.19
  5. Step 5: Solve for x
    x = 232,468,478,022.19/609,370.20
  6. Step 6: Final answer
    x = 381,489.74

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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.