Home / 547,733.80-821,687.10-173,794.60

Finding the Fourth Proportional to 547,733.80, 821,687.10 and 173,794.60

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Solution

The fourth proportional to 547,733.80, 821,687.10 and 173,794.60 is: 260,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,733.80 : 821,687.10 = 173,794.60 : x
  2. Step 2: Convert to fraction form
    547,733.80/821,687.10 = 173,794.60/x
  3. Step 3: Cross multiply
    547,733.80x = 821,687.10 × 173,794.60
  4. Step 4: Simplify right side
    547,733.80x = 142,804,780,869.66
  5. Step 5: Solve for x
    x = 142,804,780,869.66/547,733.80
  6. Step 6: Final answer
    x = 260,719.31

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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.