Home / 627,068.34-865,227.27-381,888.75

Finding the Fourth Proportional to 627,068.34, 865,227.27 and 381,888.75

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Solution

The fourth proportional to 627,068.34, 865,227.27 and 381,888.75 is: 526,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,068.34 : 865,227.27 = 381,888.75 : x
  2. Step 2: Convert to fraction form
    627,068.34/865,227.27 = 381,888.75/x
  3. Step 3: Cross multiply
    627,068.34x = 865,227.27 × 381,888.75
  4. Step 4: Simplify right side
    627,068.34x = 330,420,560,606.21
  5. Step 5: Solve for x
    x = 330,420,560,606.21/627,068.34
  6. Step 6: Final answer
    x = 526,929.11

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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.