Home / 403,871.31-557,437.38-251,024.93

Finding the Fourth Proportional to 403,871.31, 557,437.38 and 251,024.93

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Solution

The fourth proportional to 403,871.31, 557,437.38 and 251,024.93 is: 346,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,871.31 : 557,437.38 = 251,024.93 : x
  2. Step 2: Convert to fraction form
    403,871.31/557,437.38 = 251,024.93/x
  3. Step 3: Cross multiply
    403,871.31x = 557,437.38 × 251,024.93
  4. Step 4: Simplify right side
    403,871.31x = 139,930,676,506.70
  5. Step 5: Solve for x
    x = 139,930,676,506.70/403,871.31
  6. Step 6: Final answer
    x = 346,473.43

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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.