Home / 891,613.40-1,337,420.10-536,444.60

Finding the Fourth Proportional to 891,613.40, 1,337,420.10 and 536,444.60

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Solution

The fourth proportional to 891,613.40, 1,337,420.10 and 536,444.60 is: 804,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,613.40 : 1,337,420.10 = 536,444.60 : x
  2. Step 2: Convert to fraction form
    891,613.40/1,337,420.10 = 536,444.60/x
  3. Step 3: Cross multiply
    891,613.40x = 1,337,420.10 × 536,444.60
  4. Step 4: Simplify right side
    891,613.40x = 717,451,790,576.46
  5. Step 5: Solve for x
    x = 717,451,790,576.46/891,613.40
  6. Step 6: Final answer
    x = 804,666.90

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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.