Home / 557,629.18-836,400.75-178,589.59

Finding the Fourth Proportional to 557,629.18, 836,400.75 and 178,589.59

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Solution

The fourth proportional to 557,629.18, 836,400.75 and 178,589.59 is: 267,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,629.18 : 836,400.75 = 178,589.59 : x
  2. Step 2: Convert to fraction form
    557,629.18/836,400.75 = 178,589.59/x
  3. Step 3: Cross multiply
    557,629.18x = 836,400.75 × 178,589.59
  4. Step 4: Simplify right side
    557,629.18x = 149,372,467,018.19
  5. Step 5: Solve for x
    x = 149,372,467,018.19/557,629.18
  6. Step 6: Final answer
    x = 267,870.61

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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.