Home / 1,314,654.38-1,814,223.18-711,042.38

Finding the Fourth Proportional to 1,314,654.38, 1,814,223.18 and 711,042.38

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Solution

The fourth proportional to 1,314,654.38, 1,814,223.18 and 711,042.38 is: 981,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,654.38 : 1,814,223.18 = 711,042.38 : x
  2. Step 2: Convert to fraction form
    1,314,654.38/1,814,223.18 = 711,042.38/x
  3. Step 3: Cross multiply
    1,314,654.38x = 1,814,223.18 × 711,042.38
  4. Step 4: Simplify right side
    1,314,654.38x = 1,289,989,558,687.25
  5. Step 5: Solve for x
    x = 1,289,989,558,687.25/1,314,654.38
  6. Step 6: Final answer
    x = 981,238.55

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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.