Home / 773,043.20-1,158,643.20-323,763.20

Finding the Fourth Proportional to 773,043.20, 1,158,643.20 and 323,763.20

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Solution

The fourth proportional to 773,043.20, 1,158,643.20 and 323,763.20 is: 485,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,043.20 : 1,158,643.20 = 323,763.20 : x
  2. Step 2: Convert to fraction form
    773,043.20/1,158,643.20 = 323,763.20/x
  3. Step 3: Cross multiply
    773,043.20x = 1,158,643.20 × 323,763.20
  4. Step 4: Simplify right side
    773,043.20x = 375,126,030,090.24
  5. Step 5: Solve for x
    x = 375,126,030,090.24/773,043.20
  6. Step 6: Final answer
    x = 485,258.82

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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.