Home / 1,101,935.54-1,520,554.18-618,553.86

Finding the Fourth Proportional to 1,101,935.54, 1,520,554.18 and 618,553.86

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Solution

The fourth proportional to 1,101,935.54, 1,520,554.18 and 618,553.86 is: 853,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,935.54 : 1,520,554.18 = 618,553.86 : x
  2. Step 2: Convert to fraction form
    1,101,935.54/1,520,554.18 = 618,553.86/x
  3. Step 3: Cross multiply
    1,101,935.54x = 1,520,554.18 × 618,553.86
  4. Step 4: Simplify right side
    1,101,935.54x = 940,544,657,378.14
  5. Step 5: Solve for x
    x = 940,544,657,378.14/1,101,935.54
  6. Step 6: Final answer
    x = 853,538.73

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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.