Home / 1,687,654.02-2,530,455.87-661,755.18

Finding the Fourth Proportional to 1,687,654.02, 2,530,455.87 and 661,755.18

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Solution

The fourth proportional to 1,687,654.02, 2,530,455.87 and 661,755.18 is: 992,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,654.02 : 2,530,455.87 = 661,755.18 : x
  2. Step 2: Convert to fraction form
    1,687,654.02/2,530,455.87 = 661,755.18/x
  3. Step 3: Cross multiply
    1,687,654.02x = 2,530,455.87 × 661,755.18
  4. Step 4: Simplify right side
    1,687,654.02x = 1,674,542,279,733.91
  5. Step 5: Solve for x
    x = 1,674,542,279,733.91/1,687,654.02
  6. Step 6: Final answer
    x = 992,230.79

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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.