Home / 681,483.38-1,022,699.42-282,126.25

Finding the Fourth Proportional to 681,483.38, 1,022,699.42 and 282,126.25

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Solution

The fourth proportional to 681,483.38, 1,022,699.42 and 282,126.25 is: 423,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,483.38 : 1,022,699.42 = 282,126.25 : x
  2. Step 2: Convert to fraction form
    681,483.38/1,022,699.42 = 282,126.25/x
  3. Step 3: Cross multiply
    681,483.38x = 1,022,699.42 × 282,126.25
  4. Step 4: Simplify right side
    681,483.38x = 288,530,348,274.40
  5. Step 5: Solve for x
    x = 288,530,348,274.40/681,483.38
  6. Step 6: Final answer
    x = 423,385.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.