Home / 408,236.80-563,376.18-226,941.76

Finding the Fourth Proportional to 408,236.80, 563,376.18 and 226,941.76

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Solution

The fourth proportional to 408,236.80, 563,376.18 and 226,941.76 is: 313,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,236.80 : 563,376.18 = 226,941.76 : x
  2. Step 2: Convert to fraction form
    408,236.80/563,376.18 = 226,941.76/x
  3. Step 3: Cross multiply
    408,236.80x = 563,376.18 × 226,941.76
  4. Step 4: Simplify right side
    408,236.80x = 127,853,581,831.28
  5. Step 5: Solve for x
    x = 127,853,581,831.28/408,236.80
  6. Step 6: Final answer
    x = 313,184.85

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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.