Home / 654,235.55-981,353.33-402,293.15

Finding the Fourth Proportional to 654,235.55, 981,353.33 and 402,293.15

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Solution

The fourth proportional to 654,235.55, 981,353.33 and 402,293.15 is: 603,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,235.55 : 981,353.33 = 402,293.15 : x
  2. Step 2: Convert to fraction form
    654,235.55/981,353.33 = 402,293.15/x
  3. Step 3: Cross multiply
    654,235.55x = 981,353.33 × 402,293.15
  4. Step 4: Simplify right side
    654,235.55x = 394,791,720,377.22
  5. Step 5: Solve for x
    x = 394,791,720,377.22/654,235.55
  6. Step 6: Final answer
    x = 603,439.73

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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.