Home / 1,207,781.46-1,666,759.14-663,940.17

Finding the Fourth Proportional to 1,207,781.46, 1,666,759.14 and 663,940.17

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Solution

The fourth proportional to 1,207,781.46, 1,666,759.14 and 663,940.17 is: 916,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,781.46 : 1,666,759.14 = 663,940.17 : x
  2. Step 2: Convert to fraction form
    1,207,781.46/1,666,759.14 = 663,940.17/x
  3. Step 3: Cross multiply
    1,207,781.46x = 1,666,759.14 × 663,940.17
  4. Step 4: Simplify right side
    1,207,781.46x = 1,106,628,346,760.65
  5. Step 5: Solve for x
    x = 1,106,628,346,760.65/1,207,781.46
  6. Step 6: Final answer
    x = 916,248.83

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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.