Home / 1,102,111.88-1,520,913.66-618,677.96

Finding the Fourth Proportional to 1,102,111.88, 1,520,913.66 and 618,677.96

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Solution

The fourth proportional to 1,102,111.88, 1,520,913.66 and 618,677.96 is: 853,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,111.88 : 1,520,913.66 = 618,677.96 : x
  2. Step 2: Convert to fraction form
    1,102,111.88/1,520,913.66 = 618,677.96/x
  3. Step 3: Cross multiply
    1,102,111.88x = 1,520,913.66 × 618,677.96
  4. Step 4: Simplify right side
    1,102,111.88x = 940,955,760,504.93
  5. Step 5: Solve for x
    x = 940,955,760,504.93/1,102,111.88
  6. Step 6: Final answer
    x = 853,775.17

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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.