Home / 1,088,722.16-1,633,351.16-378,756.36

Finding the Fourth Proportional to 1,088,722.16, 1,633,351.16 and 378,756.36

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Solution

The fourth proportional to 1,088,722.16, 1,633,351.16 and 378,756.36 is: 568,227.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,722.16 : 1,633,351.16 = 378,756.36 : x
  2. Step 2: Convert to fraction form
    1,088,722.16/1,633,351.16 = 378,756.36/x
  3. Step 3: Cross multiply
    1,088,722.16x = 1,633,351.16 × 378,756.36
  4. Step 4: Simplify right side
    1,088,722.16x = 618,642,139,963.38
  5. Step 5: Solve for x
    x = 618,642,139,963.38/1,088,722.16
  6. Step 6: Final answer
    x = 568,227.75

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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.