Home / 898,144.20-1,347,216.30-838,657.80

Finding the Fourth Proportional to 898,144.20, 1,347,216.30 and 838,657.80

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Solution

The fourth proportional to 898,144.20, 1,347,216.30 and 838,657.80 is: 1,257,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,144.20 : 1,347,216.30 = 838,657.80 : x
  2. Step 2: Convert to fraction form
    898,144.20/1,347,216.30 = 838,657.80/x
  3. Step 3: Cross multiply
    898,144.20x = 1,347,216.30 × 838,657.80
  4. Step 4: Simplify right side
    898,144.20x = 1,129,853,458,282.14
  5. Step 5: Solve for x
    x = 1,129,853,458,282.14/898,144.20
  6. Step 6: Final answer
    x = 1,257,986.70

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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.