Home / 547,824.10-821,736.15-173,884.90

Finding the Fourth Proportional to 547,824.10, 821,736.15 and 173,884.90

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Solution

The fourth proportional to 547,824.10, 821,736.15 and 173,884.90 is: 260,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,824.10 : 821,736.15 = 173,884.90 : x
  2. Step 2: Convert to fraction form
    547,824.10/821,736.15 = 173,884.90/x
  3. Step 3: Cross multiply
    547,824.10x = 821,736.15 × 173,884.90
  4. Step 4: Simplify right side
    547,824.10x = 142,887,508,269.14
  5. Step 5: Solve for x
    x = 142,887,508,269.14/547,824.10
  6. Step 6: Final answer
    x = 260,827.35

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Double scale
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Similar ratio
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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.