Home / 752,869.07-1,127,933.48-672,156.47

Finding the Fourth Proportional to 752,869.07, 1,127,933.48 and 672,156.47

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Solution

The fourth proportional to 752,869.07, 1,127,933.48 and 672,156.47 is: 1,007,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,869.07 : 1,127,933.48 = 672,156.47 : x
  2. Step 2: Convert to fraction form
    752,869.07/1,127,933.48 = 672,156.47/x
  3. Step 3: Cross multiply
    752,869.07x = 1,127,933.48 × 672,156.47
  4. Step 4: Simplify right side
    752,869.07x = 758,147,782,950.83
  5. Step 5: Solve for x
    x = 758,147,782,950.83/752,869.07
  6. Step 6: Final answer
    x = 1,007,011.46

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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.