Home / 1,127,363.38-1,555,859.40-618,164.17

Finding the Fourth Proportional to 1,127,363.38, 1,555,859.40 and 618,164.17

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Solution

The fourth proportional to 1,127,363.38, 1,555,859.40 and 618,164.17 is: 853,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,363.38 : 1,555,859.40 = 618,164.17 : x
  2. Step 2: Convert to fraction form
    1,127,363.38/1,555,859.40 = 618,164.17/x
  3. Step 3: Cross multiply
    1,127,363.38x = 1,555,859.40 × 618,164.17
  4. Step 4: Simplify right side
    1,127,363.38x = 961,776,534,637.70
  5. Step 5: Solve for x
    x = 961,776,534,637.70/1,127,363.38
  6. Step 6: Final answer
    x = 853,120.26

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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.