Home / 403,876.55-557,444.61-251,030.18

Finding the Fourth Proportional to 403,876.55, 557,444.61 and 251,030.18

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Solution

The fourth proportional to 403,876.55, 557,444.61 and 251,030.18 is: 346,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,876.55 : 557,444.61 = 251,030.18 : x
  2. Step 2: Convert to fraction form
    403,876.55/557,444.61 = 251,030.18/x
  3. Step 3: Cross multiply
    403,876.55x = 557,444.61 × 251,030.18
  4. Step 4: Simplify right side
    403,876.55x = 139,935,418,001.11
  5. Step 5: Solve for x
    x = 139,935,418,001.11/403,876.55
  6. Step 6: Final answer
    x = 346,480.68

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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.