Home / 557,436.75-836,279.71-178,380.24

Finding the Fourth Proportional to 557,436.75, 836,279.71 and 178,380.24

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Solution

The fourth proportional to 557,436.75, 836,279.71 and 178,380.24 is: 267,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,436.75 : 836,279.71 = 178,380.24 : x
  2. Step 2: Convert to fraction form
    557,436.75/836,279.71 = 178,380.24/x
  3. Step 3: Cross multiply
    557,436.75x = 836,279.71 × 178,380.24
  4. Step 4: Simplify right side
    557,436.75x = 149,175,772,798.32
  5. Step 5: Solve for x
    x = 149,175,772,798.32/557,436.75
  6. Step 6: Final answer
    x = 267,610.22

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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.