Home / 632,416.92-872,490.24-402,933.12

Finding the Fourth Proportional to 632,416.92, 872,490.24 and 402,933.12

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Solution

The fourth proportional to 632,416.92, 872,490.24 and 402,933.12 is: 555,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,416.92 : 872,490.24 = 402,933.12 : x
  2. Step 2: Convert to fraction form
    632,416.92/872,490.24 = 402,933.12/x
  3. Step 3: Cross multiply
    632,416.92x = 872,490.24 × 402,933.12
  4. Step 4: Simplify right side
    632,416.92x = 351,555,214,572.75
  5. Step 5: Solve for x
    x = 351,555,214,572.75/632,416.92
  6. Step 6: Final answer
    x = 555,891.54

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Double scale
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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.