Home / 1,077,375.87-1,486,766.75-618,501.42

Finding the Fourth Proportional to 1,077,375.87, 1,486,766.75 and 618,501.42

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Solution

The fourth proportional to 1,077,375.87, 1,486,766.75 and 618,501.42 is: 853,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,375.87 : 1,486,766.75 = 618,501.42 : x
  2. Step 2: Convert to fraction form
    1,077,375.87/1,486,766.75 = 618,501.42/x
  3. Step 3: Cross multiply
    1,077,375.87x = 1,486,766.75 × 618,501.42
  4. Step 4: Simplify right side
    1,077,375.87x = 919,567,342,991.28
  5. Step 5: Solve for x
    x = 919,567,342,991.28/1,077,375.87
  6. Step 6: Final answer
    x = 853,525.10

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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.