Home / 979,321.44-1,351,487.76-549,634.24

Finding the Fourth Proportional to 979,321.44, 1,351,487.76 and 549,634.24

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Solution

The fourth proportional to 979,321.44, 1,351,487.76 and 549,634.24 is: 758,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,321.44 : 1,351,487.76 = 549,634.24 : x
  2. Step 2: Convert to fraction form
    979,321.44/1,351,487.76 = 549,634.24/x
  3. Step 3: Cross multiply
    979,321.44x = 1,351,487.76 × 549,634.24
  4. Step 4: Simplify right side
    979,321.44x = 742,823,947,836.90
  5. Step 5: Solve for x
    x = 742,823,947,836.90/979,321.44
  6. Step 6: Final answer
    x = 758,508.82

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1.5x scale

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.