Home / 691,815.60-1,037,723.40-243,043.20

Finding the Fourth Proportional to 691,815.60, 1,037,723.40 and 243,043.20

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Solution

The fourth proportional to 691,815.60, 1,037,723.40 and 243,043.20 is: 364,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,815.60 : 1,037,723.40 = 243,043.20 : x
  2. Step 2: Convert to fraction form
    691,815.60/1,037,723.40 = 243,043.20/x
  3. Step 3: Cross multiply
    691,815.60x = 1,037,723.40 × 243,043.20
  4. Step 4: Simplify right side
    691,815.60x = 252,211,615,850.88
  5. Step 5: Solve for x
    x = 252,211,615,850.88/691,815.60
  6. Step 6: Final answer
    x = 364,564.80

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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.