Home / 387,684.18-534,925.71-226,508.13

Finding the Fourth Proportional to 387,684.18, 534,925.71 and 226,508.13

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Solution

The fourth proportional to 387,684.18, 534,925.71 and 226,508.13 is: 312,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,684.18 : 534,925.71 = 226,508.13 : x
  2. Step 2: Convert to fraction form
    387,684.18/534,925.71 = 226,508.13/x
  3. Step 3: Cross multiply
    387,684.18x = 534,925.71 × 226,508.13
  4. Step 4: Simplify right side
    387,684.18x = 121,165,022,261.02
  5. Step 5: Solve for x
    x = 121,165,022,261.02/387,684.18
  6. Step 6: Final answer
    x = 312,535.38

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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.