Home / 417,664.28-625,436.69-350,018.43

Finding the Fourth Proportional to 417,664.28, 625,436.69 and 350,018.43

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Solution

The fourth proportional to 417,664.28, 625,436.69 and 350,018.43 is: 524,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,664.28 : 625,436.69 = 350,018.43 : x
  2. Step 2: Convert to fraction form
    417,664.28/625,436.69 = 350,018.43/x
  3. Step 3: Cross multiply
    417,664.28x = 625,436.69 × 350,018.43
  4. Step 4: Simplify right side
    417,664.28x = 218,914,366,548.11
  5. Step 5: Solve for x
    x = 218,914,366,548.11/417,664.28
  6. Step 6: Final answer
    x = 524,139.55

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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.