Home / 979,049.67-1,351,111.82-549,361.57

Finding the Fourth Proportional to 979,049.67, 1,351,111.82 and 549,361.57

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Solution

The fourth proportional to 979,049.67, 1,351,111.82 and 549,361.57 is: 758,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,049.67 : 1,351,111.82 = 549,361.57 : x
  2. Step 2: Convert to fraction form
    979,049.67/1,351,111.82 = 549,361.57/x
  3. Step 3: Cross multiply
    979,049.67x = 1,351,111.82 × 549,361.57
  4. Step 4: Simplify right side
    979,049.67x = 742,248,910,680.76
  5. Step 5: Solve for x
    x = 742,248,910,680.76/979,049.67
  6. Step 6: Final answer
    x = 758,132.03

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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.