Home / 1,101,972.27-1,520,638.26-618,444.03

Finding the Fourth Proportional to 1,101,972.27, 1,520,638.26 and 618,444.03

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Solution

The fourth proportional to 1,101,972.27, 1,520,638.26 and 618,444.03 is: 853,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,972.27 : 1,520,638.26 = 618,444.03 : x
  2. Step 2: Convert to fraction form
    1,101,972.27/1,520,638.26 = 618,444.03/x
  3. Step 3: Cross multiply
    1,101,972.27x = 1,520,638.26 × 618,444.03
  4. Step 4: Simplify right side
    1,101,972.27x = 940,429,653,686.59
  5. Step 5: Solve for x
    x = 940,429,653,686.59/1,101,972.27
  6. Step 6: Final answer
    x = 853,405.92

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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.