Home / 1,126,371.90-1,689,778.35-495,283.86

Finding the Fourth Proportional to 1,126,371.90, 1,689,778.35 and 495,283.86

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Solution

The fourth proportional to 1,126,371.90, 1,689,778.35 and 495,283.86 is: 743,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,371.90 : 1,689,778.35 = 495,283.86 : x
  2. Step 2: Convert to fraction form
    1,126,371.90/1,689,778.35 = 495,283.86/x
  3. Step 3: Cross multiply
    1,126,371.90x = 1,689,778.35 × 495,283.86
  4. Step 4: Simplify right side
    1,126,371.90x = 836,919,943,732.43
  5. Step 5: Solve for x
    x = 836,919,943,732.43/1,126,371.90
  6. Step 6: Final answer
    x = 743,022.75

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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.