Home / 979,512.11-1,351,652.59-549,709.20

Finding the Fourth Proportional to 979,512.11, 1,351,652.59 and 549,709.20

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Solution

The fourth proportional to 979,512.11, 1,351,652.59 and 549,709.20 is: 758,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,512.11 : 1,351,652.59 = 549,709.20 : x
  2. Step 2: Convert to fraction form
    979,512.11/1,351,652.59 = 549,709.20/x
  3. Step 3: Cross multiply
    979,512.11x = 1,351,652.59 × 549,709.20
  4. Step 4: Simplify right side
    979,512.11x = 743,015,854,420.02
  5. Step 5: Solve for x
    x = 743,015,854,420.02/979,512.11
  6. Step 6: Final answer
    x = 758,557.09

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Double scale
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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.