Home / 408,039.13-563,058.17-226,739.57

Finding the Fourth Proportional to 408,039.13, 563,058.17 and 226,739.57

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Solution

The fourth proportional to 408,039.13, 563,058.17 and 226,739.57 is: 312,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,039.13 : 563,058.17 = 226,739.57 : x
  2. Step 2: Convert to fraction form
    408,039.13/563,058.17 = 226,739.57/x
  3. Step 3: Cross multiply
    408,039.13x = 563,058.17 × 226,739.57
  4. Step 4: Simplify right side
    408,039.13x = 127,667,567,350.79
  5. Step 5: Solve for x
    x = 127,667,567,350.79/408,039.13
  6. Step 6: Final answer
    x = 312,880.70

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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.