Home / 508,445.32-762,868.86-192,985.96

Finding the Fourth Proportional to 508,445.32, 762,868.86 and 192,985.96

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Solution

The fourth proportional to 508,445.32, 762,868.86 and 192,985.96 is: 289,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,445.32 : 762,868.86 = 192,985.96 : x
  2. Step 2: Convert to fraction form
    508,445.32/762,868.86 = 192,985.96/x
  3. Step 3: Cross multiply
    508,445.32x = 762,868.86 × 192,985.96
  4. Step 4: Simplify right side
    508,445.32x = 147,222,979,301.21
  5. Step 5: Solve for x
    x = 147,222,979,301.21/508,445.32
  6. Step 6: Final answer
    x = 289,555.19

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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.