Home / 627,828.52-866,438.76-341,342.44

Finding the Fourth Proportional to 627,828.52, 866,438.76 and 341,342.44

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Solution

The fourth proportional to 627,828.52, 866,438.76 and 341,342.44 is: 471,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,828.52 : 866,438.76 = 341,342.44 : x
  2. Step 2: Convert to fraction form
    627,828.52/866,438.76 = 341,342.44/x
  3. Step 3: Cross multiply
    627,828.52x = 866,438.76 × 341,342.44
  4. Step 4: Simplify right side
    627,828.52x = 295,752,320,448.97
  5. Step 5: Solve for x
    x = 295,752,320,448.97/627,828.52
  6. Step 6: Final answer
    x = 471,071.82

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1.5x scale

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.