Home / 1,787,574.90-2,677,772.19-826,683.66

Finding the Fourth Proportional to 1,787,574.90, 2,677,772.19 and 826,683.66

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Solution

The fourth proportional to 1,787,574.90, 2,677,772.19 and 826,683.66 is: 1,238,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,574.90 : 2,677,772.19 = 826,683.66 : x
  2. Step 2: Convert to fraction form
    1,787,574.90/2,677,772.19 = 826,683.66/x
  3. Step 3: Cross multiply
    1,787,574.90x = 2,677,772.19 × 826,683.66
  4. Step 4: Simplify right side
    1,787,574.90x = 2,213,670,514,675.42
  5. Step 5: Solve for x
    x = 2,213,670,514,675.42/1,787,574.90
  6. Step 6: Final answer
    x = 1,238,365.18

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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.