Home / 1,135,176.90-1,566,556.35-618,926.57

Finding the Fourth Proportional to 1,135,176.90, 1,566,556.35 and 618,926.57

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Solution

The fourth proportional to 1,135,176.90, 1,566,556.35 and 618,926.57 is: 854,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,176.90 : 1,566,556.35 = 618,926.57 : x
  2. Step 2: Convert to fraction form
    1,135,176.90/1,566,556.35 = 618,926.57/x
  3. Step 3: Cross multiply
    1,135,176.90x = 1,566,556.35 × 618,926.57
  4. Step 4: Simplify right side
    1,135,176.90x = 969,583,352,949.93
  5. Step 5: Solve for x
    x = 969,583,352,949.93/1,135,176.90
  6. Step 6: Final answer
    x = 854,125.34

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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.