Home / 417,678.04-576,390.90-226,691.56

Finding the Fourth Proportional to 417,678.04, 576,390.90 and 226,691.56

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Solution

The fourth proportional to 417,678.04, 576,390.90 and 226,691.56 is: 312,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,678.04 : 576,390.90 = 226,691.56 : x
  2. Step 2: Convert to fraction form
    417,678.04/576,390.90 = 226,691.56/x
  3. Step 3: Cross multiply
    417,678.04x = 576,390.90 × 226,691.56
  4. Step 4: Simplify right side
    417,678.04x = 130,662,952,290.80
  5. Step 5: Solve for x
    x = 130,662,952,290.80/417,678.04
  6. Step 6: Final answer
    x = 312,831.75

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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.