Home / 1,102,218.77-1,520,956.92-618,673.07

Finding the Fourth Proportional to 1,102,218.77, 1,520,956.92 and 618,673.07

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Solution

The fourth proportional to 1,102,218.77, 1,520,956.92 and 618,673.07 is: 853,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,218.77 : 1,520,956.92 = 618,673.07 : x
  2. Step 2: Convert to fraction form
    1,102,218.77/1,520,956.92 = 618,673.07/x
  3. Step 3: Cross multiply
    1,102,218.77x = 1,520,956.92 × 618,673.07
  4. Step 4: Simplify right side
    1,102,218.77x = 940,975,087,034.14
  5. Step 5: Solve for x
    x = 940,975,087,034.14/1,102,218.77
  6. Step 6: Final answer
    x = 853,709.91

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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.