Home / 677,030.44-1,015,798.38-361,311.88

Finding the Fourth Proportional to 677,030.44, 1,015,798.38 and 361,311.88

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Solution

The fourth proportional to 677,030.44, 1,015,798.38 and 361,311.88 is: 542,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,030.44 : 1,015,798.38 = 361,311.88 : x
  2. Step 2: Convert to fraction form
    677,030.44/1,015,798.38 = 361,311.88/x
  3. Step 3: Cross multiply
    677,030.44x = 1,015,798.38 × 361,311.88
  4. Step 4: Simplify right side
    677,030.44x = 367,020,022,378.75
  5. Step 5: Solve for x
    x = 367,020,022,378.75/677,030.44
  6. Step 6: Final answer
    x = 542,102.69

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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.