Home / 653,932.32-980,369.12-204,421.76

Finding the Fourth Proportional to 653,932.32, 980,369.12 and 204,421.76

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Solution

The fourth proportional to 653,932.32, 980,369.12 and 204,421.76 is: 306,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,932.32 : 980,369.12 = 204,421.76 : x
  2. Step 2: Convert to fraction form
    653,932.32/980,369.12 = 204,421.76/x
  3. Step 3: Cross multiply
    653,932.32x = 980,369.12 × 204,421.76
  4. Step 4: Simplify right side
    653,932.32x = 200,408,780,960.05
  5. Step 5: Solve for x
    x = 200,408,780,960.05/653,932.32
  6. Step 6: Final answer
    x = 306,467.16

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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.