Home / 417,707.60-576,437.20-226,721.04

Finding the Fourth Proportional to 417,707.60, 576,437.20 and 226,721.04

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Solution

The fourth proportional to 417,707.60, 576,437.20 and 226,721.04 is: 312,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,707.60 : 576,437.20 = 226,721.04 : x
  2. Step 2: Convert to fraction form
    417,707.60/576,437.20 = 226,721.04/x
  3. Step 3: Cross multiply
    417,707.60x = 576,437.20 × 226,721.04
  4. Step 4: Simplify right side
    417,707.60x = 130,690,441,478.69
  5. Step 5: Solve for x
    x = 130,690,441,478.69/417,707.60
  6. Step 6: Final answer
    x = 312,875.42

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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.