Home / 1,300,075.38-1,794,153.11-711,414.43

Finding the Fourth Proportional to 1,300,075.38, 1,794,153.11 and 711,414.43

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Solution

The fourth proportional to 1,300,075.38, 1,794,153.11 and 711,414.43 is: 981,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,075.38 : 1,794,153.11 = 711,414.43 : x
  2. Step 2: Convert to fraction form
    1,300,075.38/1,794,153.11 = 711,414.43/x
  3. Step 3: Cross multiply
    1,300,075.38x = 1,794,153.11 × 711,414.43
  4. Step 4: Simplify right side
    1,300,075.38x = 1,276,386,404,040.92
  5. Step 5: Solve for x
    x = 1,276,386,404,040.92/1,300,075.38
  6. Step 6: Final answer
    x = 981,778.77

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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.