Home / 547,741.60-821,612.40-252,829.60

Finding the Fourth Proportional to 547,741.60, 821,612.40 and 252,829.60

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Solution

The fourth proportional to 547,741.60, 821,612.40 and 252,829.60 is: 379,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,741.60 : 821,612.40 = 252,829.60 : x
  2. Step 2: Convert to fraction form
    547,741.60/821,612.40 = 252,829.60/x
  3. Step 3: Cross multiply
    547,741.60x = 821,612.40 × 252,829.60
  4. Step 4: Simplify right side
    547,741.60x = 207,727,934,447.04
  5. Step 5: Solve for x
    x = 207,727,934,447.04/547,741.60
  6. Step 6: Final answer
    x = 379,244.40

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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.