Home / 1,115,040.54-1,538,632.54-618,311.95

Finding the Fourth Proportional to 1,115,040.54, 1,538,632.54 and 618,311.95

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Solution

The fourth proportional to 1,115,040.54, 1,538,632.54 and 618,311.95 is: 853,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,040.54 : 1,538,632.54 = 618,311.95 : x
  2. Step 2: Convert to fraction form
    1,115,040.54/1,538,632.54 = 618,311.95/x
  3. Step 3: Cross multiply
    1,115,040.54x = 1,538,632.54 × 618,311.95
  4. Step 4: Simplify right side
    1,115,040.54x = 951,354,886,140.85
  5. Step 5: Solve for x
    x = 951,354,886,140.85/1,115,040.54
  6. Step 6: Final answer
    x = 853,202.06

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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.