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Finding the Fourth Proportional to 779,086.16, 1,067,343 and 749,952.57

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Solution

The fourth proportional to 779,086.16, 1,067,343 and 749,952.57 is: 1,027,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,086.16 : 1,067,343 = 749,952.57 : x
  2. Step 2: Convert to fraction form
    779,086.16/1,067,343 = 749,952.57/x
  3. Step 3: Cross multiply
    779,086.16x = 1,067,343 × 749,952.57
  4. Step 4: Simplify right side
    779,086.16x = 800,456,625,921.51
  5. Step 5: Solve for x
    x = 800,456,625,921.51/779,086.16
  6. Step 6: Final answer
    x = 1,027,430.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.