Home / 1,141,828.38-1,575,724.38-618,540.20

Finding the Fourth Proportional to 1,141,828.38, 1,575,724.38 and 618,540.20

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Solution

The fourth proportional to 1,141,828.38, 1,575,724.38 and 618,540.20 is: 853,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,828.38 : 1,575,724.38 = 618,540.20 : x
  2. Step 2: Convert to fraction form
    1,141,828.38/1,575,724.38 = 618,540.20/x
  3. Step 3: Cross multiply
    1,141,828.38x = 1,575,724.38 × 618,540.20
  4. Step 4: Simplify right side
    1,141,828.38x = 974,648,873,150.08
  5. Step 5: Solve for x
    x = 974,648,873,150.08/1,141,828.38
  6. Step 6: Final answer
    x = 853,586.13

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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.