Home / 1,127,884.74-1,556,579.34-618,685.50

Finding the Fourth Proportional to 1,127,884.74, 1,556,579.34 and 618,685.50

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Solution

The fourth proportional to 1,127,884.74, 1,556,579.34 and 618,685.50 is: 853,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,884.74 : 1,556,579.34 = 618,685.50 : x
  2. Step 2: Convert to fraction form
    1,127,884.74/1,556,579.34 = 618,685.50/x
  3. Step 3: Cross multiply
    1,127,884.74x = 1,556,579.34 × 618,685.50
  4. Step 4: Simplify right side
    1,127,884.74x = 963,033,067,257.57
  5. Step 5: Solve for x
    x = 963,033,067,257.57/1,127,884.74
  6. Step 6: Final answer
    x = 853,839.97

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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.