Home / 1,168,988.84-1,612,691.94-685,309.16

Finding the Fourth Proportional to 1,168,988.84, 1,612,691.94 and 685,309.16

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Solution

The fourth proportional to 1,168,988.84, 1,612,691.94 and 685,309.16 is: 945,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,988.84 : 1,612,691.94 = 685,309.16 : x
  2. Step 2: Convert to fraction form
    1,168,988.84/1,612,691.94 = 685,309.16/x
  3. Step 3: Cross multiply
    1,168,988.84x = 1,612,691.94 × 685,309.16
  4. Step 4: Simplify right side
    1,168,988.84x = 1,105,192,558,740.17
  5. Step 5: Solve for x
    x = 1,105,192,558,740.17/1,168,988.84
  6. Step 6: Final answer
    x = 945,426.10

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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.