Home / 869,560.20-1,303,757.10-396,001.80

Finding the Fourth Proportional to 869,560.20, 1,303,757.10 and 396,001.80

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Solution

The fourth proportional to 869,560.20, 1,303,757.10 and 396,001.80 is: 593,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,560.20 : 1,303,757.10 = 396,001.80 : x
  2. Step 2: Convert to fraction form
    869,560.20/1,303,757.10 = 396,001.80/x
  3. Step 3: Cross multiply
    869,560.20x = 1,303,757.10 × 396,001.80
  4. Step 4: Simplify right side
    869,560.20x = 516,290,158,362.78
  5. Step 5: Solve for x
    x = 516,290,158,362.78/869,560.20
  6. Step 6: Final answer
    x = 593,737.11

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1.5x scale

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.