Home / 985,650.80-1,479,098.06-386,595.96

Finding the Fourth Proportional to 985,650.80, 1,479,098.06 and 386,595.96

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Solution

The fourth proportional to 985,650.80, 1,479,098.06 and 386,595.96 is: 580,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,650.80 : 1,479,098.06 = 386,595.96 : x
  2. Step 2: Convert to fraction form
    985,650.80/1,479,098.06 = 386,595.96/x
  3. Step 3: Cross multiply
    985,650.80x = 1,479,098.06 × 386,595.96
  4. Step 4: Simplify right side
    985,650.80x = 571,813,334,439.84
  5. Step 5: Solve for x
    x = 571,813,334,439.84/985,650.80
  6. Step 6: Final answer
    x = 580,137.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.