Home / 988,186.60-1,481,934.30-514,714.60

Finding the Fourth Proportional to 988,186.60, 1,481,934.30 and 514,714.60

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Solution

The fourth proportional to 988,186.60, 1,481,934.30 and 514,714.60 is: 771,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,186.60 : 1,481,934.30 = 514,714.60 : x
  2. Step 2: Convert to fraction form
    988,186.60/1,481,934.30 = 514,714.60/x
  3. Step 3: Cross multiply
    988,186.60x = 1,481,934.30 × 514,714.60
  4. Step 4: Simplify right side
    988,186.60x = 762,773,220,450.78
  5. Step 5: Solve for x
    x = 762,773,220,450.78/988,186.60
  6. Step 6: Final answer
    x = 771,891.89

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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.