Home / 1,229,781.11-1,697,100.22-685,952.13

Finding the Fourth Proportional to 1,229,781.11, 1,697,100.22 and 685,952.13

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Solution

The fourth proportional to 1,229,781.11, 1,697,100.22 and 685,952.13 is: 946,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,781.11 : 1,697,100.22 = 685,952.13 : x
  2. Step 2: Convert to fraction form
    1,229,781.11/1,697,100.22 = 685,952.13/x
  3. Step 3: Cross multiply
    1,229,781.11x = 1,697,100.22 × 685,952.13
  4. Step 4: Simplify right side
    1,229,781.11x = 1,164,129,510,732.47
  5. Step 5: Solve for x
    x = 1,164,129,510,732.47/1,229,781.11
  6. Step 6: Final answer
    x = 946,615.22

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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.