Home / 732,154.80-1,098,232.20-311,444.40

Finding the Fourth Proportional to 732,154.80, 1,098,232.20 and 311,444.40

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Solution

The fourth proportional to 732,154.80, 1,098,232.20 and 311,444.40 is: 467,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,154.80 : 1,098,232.20 = 311,444.40 : x
  2. Step 2: Convert to fraction form
    732,154.80/1,098,232.20 = 311,444.40/x
  3. Step 3: Cross multiply
    732,154.80x = 1,098,232.20 × 311,444.40
  4. Step 4: Simplify right side
    732,154.80x = 342,038,268,589.68
  5. Step 5: Solve for x
    x = 342,038,268,589.68/732,154.80
  6. Step 6: Final answer
    x = 467,166.60

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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.