Home / 417,068.24-625,539-136,579.28

Finding the Fourth Proportional to 417,068.24, 625,539 and 136,579.28

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Solution

The fourth proportional to 417,068.24, 625,539 and 136,579.28 is: 204,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,068.24 : 625,539 = 136,579.28 : x
  2. Step 2: Convert to fraction form
    417,068.24/625,539 = 136,579.28/x
  3. Step 3: Cross multiply
    417,068.24x = 625,539 × 136,579.28
  4. Step 4: Simplify right side
    417,068.24x = 85,435,666,231.92
  5. Step 5: Solve for x
    x = 85,435,666,231.92/417,068.24
  6. Step 6: Final answer
    x = 204,848.17

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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.