Home / 1,616,713.83-2,231,034.03-891,628.56

Finding the Fourth Proportional to 1,616,713.83, 2,231,034.03 and 891,628.56

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Solution

The fourth proportional to 1,616,713.83, 2,231,034.03 and 891,628.56 is: 1,230,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,713.83 : 2,231,034.03 = 891,628.56 : x
  2. Step 2: Convert to fraction form
    1,616,713.83/2,231,034.03 = 891,628.56/x
  3. Step 3: Cross multiply
    1,616,713.83x = 2,231,034.03 × 891,628.56
  4. Step 4: Simplify right side
    1,616,713.83x = 1,989,253,659,479.90
  5. Step 5: Solve for x
    x = 1,989,253,659,479.90/1,616,713.83
  6. Step 6: Final answer
    x = 1,230,430.29

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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.