Home / 891,659.40-1,337,489.10-536,490.60

Finding the Fourth Proportional to 891,659.40, 1,337,489.10 and 536,490.60

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Solution

The fourth proportional to 891,659.40, 1,337,489.10 and 536,490.60 is: 804,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,659.40 : 1,337,489.10 = 536,490.60 : x
  2. Step 2: Convert to fraction form
    891,659.40/1,337,489.10 = 536,490.60/x
  3. Step 3: Cross multiply
    891,659.40x = 1,337,489.10 × 536,490.60
  4. Step 4: Simplify right side
    891,659.40x = 717,550,329,752.46
  5. Step 5: Solve for x
    x = 717,550,329,752.46/891,659.40
  6. Step 6: Final answer
    x = 804,735.90

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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.