Home / 986,590.20-1,479,885.30-897,943.80

Finding the Fourth Proportional to 986,590.20, 1,479,885.30 and 897,943.80

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Solution

The fourth proportional to 986,590.20, 1,479,885.30 and 897,943.80 is: 1,346,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,590.20 : 1,479,885.30 = 897,943.80 : x
  2. Step 2: Convert to fraction form
    986,590.20/1,479,885.30 = 897,943.80/x
  3. Step 3: Cross multiply
    986,590.20x = 1,479,885.30 × 897,943.80
  4. Step 4: Simplify right side
    986,590.20x = 1,328,853,829,846.14
  5. Step 5: Solve for x
    x = 1,328,853,829,846.14/986,590.20
  6. Step 6: Final answer
    x = 1,346,915.70

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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.