Home / 1,272,174.94-1,755,612.39-699,228.46

Finding the Fourth Proportional to 1,272,174.94, 1,755,612.39 and 699,228.46

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Solution

The fourth proportional to 1,272,174.94, 1,755,612.39 and 699,228.46 is: 964,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,174.94 : 1,755,612.39 = 699,228.46 : x
  2. Step 2: Convert to fraction form
    1,272,174.94/1,755,612.39 = 699,228.46/x
  3. Step 3: Cross multiply
    1,272,174.94x = 1,755,612.39 × 699,228.46
  4. Step 4: Simplify right side
    1,272,174.94x = 1,227,574,147,816.62
  5. Step 5: Solve for x
    x = 1,227,574,147,816.62/1,272,174.94
  6. Step 6: Final answer
    x = 964,941.31

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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.