Home / 1,413,988.57-1,951,287.81-769,397.65

Finding the Fourth Proportional to 1,413,988.57, 1,951,287.81 and 769,397.65

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Solution

The fourth proportional to 1,413,988.57, 1,951,287.81 and 769,397.65 is: 1,061,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,988.57 : 1,951,287.81 = 769,397.65 : x
  2. Step 2: Convert to fraction form
    1,413,988.57/1,951,287.81 = 769,397.65/x
  3. Step 3: Cross multiply
    1,413,988.57x = 1,951,287.81 × 769,397.65
  4. Step 4: Simplify right side
    1,413,988.57x = 1,501,316,255,487.65
  5. Step 5: Solve for x
    x = 1,501,316,255,487.65/1,413,988.57
  6. Step 6: Final answer
    x = 1,061,759.83

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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.