Home / 986,218.10-1,478,092.22-529,687.43

Finding the Fourth Proportional to 986,218.10, 1,478,092.22 and 529,687.43

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Solution

The fourth proportional to 986,218.10, 1,478,092.22 and 529,687.43 is: 793,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,218.10 : 1,478,092.22 = 529,687.43 : x
  2. Step 2: Convert to fraction form
    986,218.10/1,478,092.22 = 529,687.43/x
  3. Step 3: Cross multiply
    986,218.10x = 1,478,092.22 × 529,687.43
  4. Step 4: Simplify right side
    986,218.10x = 782,926,869,314.80
  5. Step 5: Solve for x
    x = 782,926,869,314.80/986,218.10
  6. Step 6: Final answer
    x = 793,867.88

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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.