Home / 407,483.32-611,229.18-123,176.20

Finding the Fourth Proportional to 407,483.32, 611,229.18 and 123,176.20

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Solution

The fourth proportional to 407,483.32, 611,229.18 and 123,176.20 is: 184,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,483.32 : 611,229.18 = 123,176.20 : x
  2. Step 2: Convert to fraction form
    407,483.32/611,229.18 = 123,176.20/x
  3. Step 3: Cross multiply
    407,483.32x = 611,229.18 × 123,176.20
  4. Step 4: Simplify right side
    407,483.32x = 75,288,887,721.52
  5. Step 5: Solve for x
    x = 75,288,887,721.52/407,483.32
  6. Step 6: Final answer
    x = 184,765.57

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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.