Home / 752,984.55-1,039,118.68-413,452.80

Finding the Fourth Proportional to 752,984.55, 1,039,118.68 and 413,452.80

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Solution

The fourth proportional to 752,984.55, 1,039,118.68 and 413,452.80 is: 570,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,984.55 : 1,039,118.68 = 413,452.80 : x
  2. Step 2: Convert to fraction form
    752,984.55/1,039,118.68 = 413,452.80/x
  3. Step 3: Cross multiply
    752,984.55x = 1,039,118.68 × 413,452.80
  4. Step 4: Simplify right side
    752,984.55x = 429,626,527,778.30
  5. Step 5: Solve for x
    x = 429,626,527,778.30/752,984.55
  6. Step 6: Final answer
    x = 570,564.86

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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.