Home / 886,401.76-1,221,761.52-627,947.04

Finding the Fourth Proportional to 886,401.76, 1,221,761.52 and 627,947.04

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Solution

The fourth proportional to 886,401.76, 1,221,761.52 and 627,947.04 is: 865,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,401.76 : 1,221,761.52 = 627,947.04 : x
  2. Step 2: Convert to fraction form
    886,401.76/1,221,761.52 = 627,947.04/x
  3. Step 3: Cross multiply
    886,401.76x = 1,221,761.52 × 627,947.04
  4. Step 4: Simplify right side
    886,401.76x = 767,201,530,069.90
  5. Step 5: Solve for x
    x = 767,201,530,069.90/886,401.76
  6. Step 6: Final answer
    x = 865,523.47

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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.