Home / 1,101,959.37-1,520,726.49-618,559.47

Finding the Fourth Proportional to 1,101,959.37, 1,520,726.49 and 618,559.47

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Solution

The fourth proportional to 1,101,959.37, 1,520,726.49 and 618,559.47 is: 853,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,959.37 : 1,520,726.49 = 618,559.47 : x
  2. Step 2: Convert to fraction form
    1,101,959.37/1,520,726.49 = 618,559.47/x
  3. Step 3: Cross multiply
    1,101,959.37x = 1,520,726.49 × 618,559.47
  4. Step 4: Simplify right side
    1,101,959.37x = 940,659,771,669.36
  5. Step 5: Solve for x
    x = 940,659,771,669.36/1,101,959.37
  6. Step 6: Final answer
    x = 853,624.73

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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.