Home / 986,574.20-1,479,861.30-608,660.60

Finding the Fourth Proportional to 986,574.20, 1,479,861.30 and 608,660.60

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Solution

The fourth proportional to 986,574.20, 1,479,861.30 and 608,660.60 is: 912,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,574.20 : 1,479,861.30 = 608,660.60 : x
  2. Step 2: Convert to fraction form
    986,574.20/1,479,861.30 = 608,660.60/x
  3. Step 3: Cross multiply
    986,574.20x = 1,479,861.30 × 608,660.60
  4. Step 4: Simplify right side
    986,574.20x = 900,733,266,774.78
  5. Step 5: Solve for x
    x = 900,733,266,774.78/986,574.20
  6. Step 6: Final answer
    x = 912,990.90

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Similar ratio
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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.