Home / 1,003,398.49-1,384,690.85-573,687.61

Finding the Fourth Proportional to 1,003,398.49, 1,384,690.85 and 573,687.61

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Solution

The fourth proportional to 1,003,398.49, 1,384,690.85 and 573,687.61 is: 791,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,398.49 : 1,384,690.85 = 573,687.61 : x
  2. Step 2: Convert to fraction form
    1,003,398.49/1,384,690.85 = 573,687.61/x
  3. Step 3: Cross multiply
    1,003,398.49x = 1,384,690.85 × 573,687.61
  4. Step 4: Simplify right side
    1,003,398.49x = 794,379,987,935.42
  5. Step 5: Solve for x
    x = 794,379,987,935.42/1,003,398.49
  6. Step 6: Final answer
    x = 791,689.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.