Home / 526,930.20-790,397.33-127,570.37

Finding the Fourth Proportional to 526,930.20, 790,397.33 and 127,570.37

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Solution

The fourth proportional to 526,930.20, 790,397.33 and 127,570.37 is: 191,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,930.20 : 790,397.33 = 127,570.37 : x
  2. Step 2: Convert to fraction form
    526,930.20/790,397.33 = 127,570.37/x
  3. Step 3: Cross multiply
    526,930.20x = 790,397.33 × 127,570.37
  4. Step 4: Simplify right side
    526,930.20x = 100,831,275,245.27
  5. Step 5: Solve for x
    x = 100,831,275,245.27/526,930.20
  6. Step 6: Final answer
    x = 191,356.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.