Home / 627,042.13-940,322.45-266,984.71

Finding the Fourth Proportional to 627,042.13, 940,322.45 and 266,984.71

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Solution

The fourth proportional to 627,042.13, 940,322.45 and 266,984.71 is: 400,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,042.13 : 940,322.45 = 266,984.71 : x
  2. Step 2: Convert to fraction form
    627,042.13/940,322.45 = 266,984.71/x
  3. Step 3: Cross multiply
    627,042.13x = 940,322.45 × 266,984.71
  4. Step 4: Simplify right side
    627,042.13x = 251,051,714,936.40
  5. Step 5: Solve for x
    x = 251,051,714,936.40/627,042.13
  6. Step 6: Final answer
    x = 400,374.56

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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.