Home / 980,219.01-1,352,543.49-612,652.85

Finding the Fourth Proportional to 980,219.01, 1,352,543.49 and 612,652.85

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Solution

The fourth proportional to 980,219.01, 1,352,543.49 and 612,652.85 is: 845,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,219.01 : 1,352,543.49 = 612,652.85 : x
  2. Step 2: Convert to fraction form
    980,219.01/1,352,543.49 = 612,652.85/x
  3. Step 3: Cross multiply
    980,219.01x = 1,352,543.49 × 612,652.85
  4. Step 4: Simplify right side
    980,219.01x = 828,639,617,134.73
  5. Step 5: Solve for x
    x = 828,639,617,134.73/980,219.01
  6. Step 6: Final answer
    x = 845,361.71

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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.