Home / 853,172.92-1,177,371.40-471,191.50

Finding the Fourth Proportional to 853,172.92, 1,177,371.40 and 471,191.50

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Solution

The fourth proportional to 853,172.92, 1,177,371.40 and 471,191.50 is: 650,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,172.92 : 1,177,371.40 = 471,191.50 : x
  2. Step 2: Convert to fraction form
    853,172.92/1,177,371.40 = 471,191.50/x
  3. Step 3: Cross multiply
    853,172.92x = 1,177,371.40 × 471,191.50
  4. Step 4: Simplify right side
    853,172.92x = 554,767,396,023.10
  5. Step 5: Solve for x
    x = 554,767,396,023.10/853,172.92
  6. Step 6: Final answer
    x = 650,240.28

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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.