Home / 867,865.66-1,296,520.85-561,766.26

Finding the Fourth Proportional to 867,865.66, 1,296,520.85 and 561,766.26

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Solution

The fourth proportional to 867,865.66, 1,296,520.85 and 561,766.26 is: 839,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,865.66 : 1,296,520.85 = 561,766.26 : x
  2. Step 2: Convert to fraction form
    867,865.66/1,296,520.85 = 561,766.26/x
  3. Step 3: Cross multiply
    867,865.66x = 1,296,520.85 × 561,766.26
  4. Step 4: Simplify right side
    867,865.66x = 728,341,668,916.52
  5. Step 5: Solve for x
    x = 728,341,668,916.52/867,865.66
  6. Step 6: Final answer
    x = 839,233.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.