Home / 1,787,576.90-2,677,775.19-826,685.66

Finding the Fourth Proportional to 1,787,576.90, 2,677,775.19 and 826,685.66

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Solution

The fourth proportional to 1,787,576.90, 2,677,775.19 and 826,685.66 is: 1,238,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,576.90 : 2,677,775.19 = 826,685.66 : x
  2. Step 2: Convert to fraction form
    1,787,576.90/2,677,775.19 = 826,685.66/x
  3. Step 3: Cross multiply
    1,787,576.90x = 2,677,775.19 × 826,685.66
  4. Step 4: Simplify right side
    1,787,576.90x = 2,213,678,350,276.78
  5. Step 5: Solve for x
    x = 2,213,678,350,276.78/1,787,576.90
  6. Step 6: Final answer
    x = 1,238,368.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.