Home / 739,781.64-1,109,672.64-178,816.08

Finding the Fourth Proportional to 739,781.64, 1,109,672.64 and 178,816.08

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Solution

The fourth proportional to 739,781.64, 1,109,672.64 and 178,816.08 is: 268,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,781.64 : 1,109,672.64 = 178,816.08 : x
  2. Step 2: Convert to fraction form
    739,781.64/1,109,672.64 = 178,816.08/x
  3. Step 3: Cross multiply
    739,781.64x = 1,109,672.64 × 178,816.08
  4. Step 4: Simplify right side
    739,781.64x = 198,427,311,568.05
  5. Step 5: Solve for x
    x = 198,427,311,568.05/739,781.64
  6. Step 6: Final answer
    x = 268,224.16

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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.