Home / 810,703.20-1,118,770.68-443,181.96

Finding the Fourth Proportional to 810,703.20, 1,118,770.68 and 443,181.96

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Solution

The fourth proportional to 810,703.20, 1,118,770.68 and 443,181.96 is: 611,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,703.20 : 1,118,770.68 = 443,181.96 : x
  2. Step 2: Convert to fraction form
    810,703.20/1,118,770.68 = 443,181.96/x
  3. Step 3: Cross multiply
    810,703.20x = 1,118,770.68 × 443,181.96
  4. Step 4: Simplify right side
    810,703.20x = 495,818,982,752.93
  5. Step 5: Solve for x
    x = 495,818,982,752.93/810,703.20
  6. Step 6: Final answer
    x = 611,591.25

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.