Home / 6,217,612.80-9,326,419.20-3,558,489.60

Finding the Fourth Proportional to 6,217,612.80, 9,326,419.20 and 3,558,489.60

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Solution

The fourth proportional to 6,217,612.80, 9,326,419.20 and 3,558,489.60 is: 5,337,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217,612.80 : 9,326,419.20 = 3,558,489.60 : x
  2. Step 2: Convert to fraction form
    6,217,612.80/9,326,419.20 = 3,558,489.60/x
  3. Step 3: Cross multiply
    6,217,612.80x = 9,326,419.20 × 3,558,489.60
  4. Step 4: Simplify right side
    6,217,612.80x = 33,187,965,728,440.32
  5. Step 5: Solve for x
    x = 33,187,965,728,440.32/6,217,612.80
  6. Step 6: Final answer
    x = 5,337,734.40

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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.