Home / 749,818.50-1,034,749.53-410,286.75

Finding the Fourth Proportional to 749,818.50, 1,034,749.53 and 410,286.75

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Solution

The fourth proportional to 749,818.50, 1,034,749.53 and 410,286.75 is: 566,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,818.50 : 1,034,749.53 = 410,286.75 : x
  2. Step 2: Convert to fraction form
    749,818.50/1,034,749.53 = 410,286.75/x
  3. Step 3: Cross multiply
    749,818.50x = 1,034,749.53 × 410,286.75
  4. Step 4: Simplify right side
    749,818.50x = 424,544,021,727.73
  5. Step 5: Solve for x
    x = 424,544,021,727.73/749,818.50
  6. Step 6: Final answer
    x = 566,195.72

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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.