Home / 462,454.24-638,268.06-268,921.84

Finding the Fourth Proportional to 462,454.24, 638,268.06 and 268,921.84

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Solution

The fourth proportional to 462,454.24, 638,268.06 and 268,921.84 is: 371,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,454.24 : 638,268.06 = 268,921.84 : x
  2. Step 2: Convert to fraction form
    462,454.24/638,268.06 = 268,921.84/x
  3. Step 3: Cross multiply
    462,454.24x = 638,268.06 × 268,921.84
  4. Step 4: Simplify right side
    462,454.24x = 171,644,221,108.43
  5. Step 5: Solve for x
    x = 171,644,221,108.43/462,454.24
  6. Step 6: Final answer
    x = 371,159.36

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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.