Home / 744,344.80-1,116,517.20-460,909.60

Finding the Fourth Proportional to 744,344.80, 1,116,517.20 and 460,909.60

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Solution

The fourth proportional to 744,344.80, 1,116,517.20 and 460,909.60 is: 691,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,344.80 : 1,116,517.20 = 460,909.60 : x
  2. Step 2: Convert to fraction form
    744,344.80/1,116,517.20 = 460,909.60/x
  3. Step 3: Cross multiply
    744,344.80x = 1,116,517.20 × 460,909.60
  4. Step 4: Simplify right side
    744,344.80x = 514,613,496,045.12
  5. Step 5: Solve for x
    x = 514,613,496,045.12/744,344.80
  6. Step 6: Final answer
    x = 691,364.40

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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.