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Finding the Fourth Proportional to 778,231.17, 1,159,609.98 and 693,339

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Solution

The fourth proportional to 778,231.17, 1,159,609.98 and 693,339 is: 1,033,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,231.17 : 1,159,609.98 = 693,339 : x
  2. Step 2: Convert to fraction form
    778,231.17/1,159,609.98 = 693,339/x
  3. Step 3: Cross multiply
    778,231.17x = 1,159,609.98 × 693,339
  4. Step 4: Simplify right side
    778,231.17x = 804,002,823,923.22
  5. Step 5: Solve for x
    x = 804,002,823,923.22/778,231.17
  6. Step 6: Final answer
    x = 1,033,115.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.