Home / 979,695.56-1,351,974.56-549,975.57

Finding the Fourth Proportional to 979,695.56, 1,351,974.56 and 549,975.57

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Solution

The fourth proportional to 979,695.56, 1,351,974.56 and 549,975.57 is: 758,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,695.56 : 1,351,974.56 = 549,975.57 : x
  2. Step 2: Convert to fraction form
    979,695.56/1,351,974.56 = 549,975.57/x
  3. Step 3: Cross multiply
    979,695.56x = 1,351,974.56 × 549,975.57
  4. Step 4: Simplify right side
    979,695.56x = 743,552,979,261.50
  5. Step 5: Solve for x
    x = 743,552,979,261.50/979,695.56
  6. Step 6: Final answer
    x = 758,963.30

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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.