Home / 777,205.60-1,165,808.40-444,815.20

Finding the Fourth Proportional to 777,205.60, 1,165,808.40 and 444,815.20

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Solution

The fourth proportional to 777,205.60, 1,165,808.40 and 444,815.20 is: 667,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,205.60 : 1,165,808.40 = 444,815.20 : x
  2. Step 2: Convert to fraction form
    777,205.60/1,165,808.40 = 444,815.20/x
  3. Step 3: Cross multiply
    777,205.60x = 1,165,808.40 × 444,815.20
  4. Step 4: Simplify right side
    777,205.60x = 518,569,296,607.68
  5. Step 5: Solve for x
    x = 518,569,296,607.68/777,205.60
  6. Step 6: Final answer
    x = 667,222.80

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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.