Home / 913,765.08-1,261,145.58-627,049.56

Finding the Fourth Proportional to 913,765.08, 1,261,145.58 and 627,049.56

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Solution

The fourth proportional to 913,765.08, 1,261,145.58 and 627,049.56 is: 865,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,765.08 : 1,261,145.58 = 627,049.56 : x
  2. Step 2: Convert to fraction form
    913,765.08/1,261,145.58 = 627,049.56/x
  3. Step 3: Cross multiply
    913,765.08x = 1,261,145.58 × 627,049.56
  4. Step 4: Simplify right side
    913,765.08x = 790,800,781,034.95
  5. Step 5: Solve for x
    x = 790,800,781,034.95/913,765.08
  6. Step 6: Final answer
    x = 865,431.17

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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.