Home / 417,066.24-625,536-136,577.28

Finding the Fourth Proportional to 417,066.24, 625,536 and 136,577.28

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Solution

The fourth proportional to 417,066.24, 625,536 and 136,577.28 is: 204,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,066.24 : 625,536 = 136,577.28 : x
  2. Step 2: Convert to fraction form
    417,066.24/625,536 = 136,577.28/x
  3. Step 3: Cross multiply
    417,066.24x = 625,536 × 136,577.28
  4. Step 4: Simplify right side
    417,066.24x = 85,434,005,422.08
  5. Step 5: Solve for x
    x = 85,434,005,422.08/417,066.24
  6. Step 6: Final answer
    x = 204,845.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.