Home / 475,586.92-656,336.72-282,109.36

Finding the Fourth Proportional to 475,586.92, 656,336.72 and 282,109.36

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Solution

The fourth proportional to 475,586.92, 656,336.72 and 282,109.36 is: 389,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,586.92 : 656,336.72 = 282,109.36 : x
  2. Step 2: Convert to fraction form
    475,586.92/656,336.72 = 282,109.36/x
  3. Step 3: Cross multiply
    475,586.92x = 656,336.72 × 282,109.36
  4. Step 4: Simplify right side
    475,586.92x = 185,158,732,023.70
  5. Step 5: Solve for x
    x = 185,158,732,023.70/475,586.92
  6. Step 6: Final answer
    x = 389,326.80

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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.