Home / 1,127,362.38-1,555,858.02-618,163.17

Finding the Fourth Proportional to 1,127,362.38, 1,555,858.02 and 618,163.17

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Solution

The fourth proportional to 1,127,362.38, 1,555,858.02 and 618,163.17 is: 853,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,362.38 : 1,555,858.02 = 618,163.17 : x
  2. Step 2: Convert to fraction form
    1,127,362.38/1,555,858.02 = 618,163.17/x
  3. Step 3: Cross multiply
    1,127,362.38x = 1,555,858.02 × 618,163.17
  4. Step 4: Simplify right side
    1,127,362.38x = 961,774,125,713.12
  5. Step 5: Solve for x
    x = 961,774,125,713.12/1,127,362.38
  6. Step 6: Final answer
    x = 853,118.88

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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.