Home / 777,201.60-1,165,802.40-444,811.20

Finding the Fourth Proportional to 777,201.60, 1,165,802.40 and 444,811.20

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Solution

The fourth proportional to 777,201.60, 1,165,802.40 and 444,811.20 is: 667,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,201.60 : 1,165,802.40 = 444,811.20 : x
  2. Step 2: Convert to fraction form
    777,201.60/1,165,802.40 = 444,811.20/x
  3. Step 3: Cross multiply
    777,201.60x = 1,165,802.40 × 444,811.20
  4. Step 4: Simplify right side
    777,201.60x = 518,561,964,506.88
  5. Step 5: Solve for x
    x = 518,561,964,506.88/777,201.60
  6. Step 6: Final answer
    x = 667,216.80

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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.