Home / 979,630.56-1,351,889.52-549,911.52

Finding the Fourth Proportional to 979,630.56, 1,351,889.52 and 549,911.52

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Solution

The fourth proportional to 979,630.56, 1,351,889.52 and 549,911.52 is: 758,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,630.56 : 1,351,889.52 = 549,911.52 : x
  2. Step 2: Convert to fraction form
    979,630.56/1,351,889.52 = 549,911.52/x
  3. Step 3: Cross multiply
    979,630.56x = 1,351,889.52 × 549,911.52
  4. Step 4: Simplify right side
    979,630.56x = 743,419,620,815.27
  5. Step 5: Solve for x
    x = 743,419,620,815.27/979,630.56
  6. Step 6: Final answer
    x = 758,877.53

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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.