Home / 725,198.90-999,967.75-495,793.53

Finding the Fourth Proportional to 725,198.90, 999,967.75 and 495,793.53

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Solution

The fourth proportional to 725,198.90, 999,967.75 and 495,793.53 is: 683,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,198.90 : 999,967.75 = 495,793.53 : x
  2. Step 2: Convert to fraction form
    725,198.90/999,967.75 = 495,793.53/x
  3. Step 3: Cross multiply
    725,198.90x = 999,967.75 × 495,793.53
  4. Step 4: Simplify right side
    725,198.90x = 495,777,539,419.17
  5. Step 5: Solve for x
    x = 495,777,539,419.17/725,198.90
  6. Step 6: Final answer
    x = 683,643.54

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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.