Home / 627,827.52-866,437.38-341,341.44

Finding the Fourth Proportional to 627,827.52, 866,437.38 and 341,341.44

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Solution

The fourth proportional to 627,827.52, 866,437.38 and 341,341.44 is: 471,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,827.52 : 866,437.38 = 341,341.44 : x
  2. Step 2: Convert to fraction form
    627,827.52/866,437.38 = 341,341.44/x
  3. Step 3: Cross multiply
    627,827.52x = 866,437.38 × 341,341.44
  4. Step 4: Simplify right side
    627,827.52x = 295,750,982,959.03
  5. Step 5: Solve for x
    x = 295,750,982,959.03/627,827.52
  6. Step 6: Final answer
    x = 471,070.44

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Double scale
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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.