Home / 547,815.60-821,723.40-173,876.40

Finding the Fourth Proportional to 547,815.60, 821,723.40 and 173,876.40

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Solution

The fourth proportional to 547,815.60, 821,723.40 and 173,876.40 is: 260,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,815.60 : 821,723.40 = 173,876.40 : x
  2. Step 2: Convert to fraction form
    547,815.60/821,723.40 = 173,876.40/x
  3. Step 3: Cross multiply
    547,815.60x = 821,723.40 × 173,876.40
  4. Step 4: Simplify right side
    547,815.60x = 142,878,306,587.76
  5. Step 5: Solve for x
    x = 142,878,306,587.76/547,815.60
  6. Step 6: Final answer
    x = 260,814.60

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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.