Home / 720,551.02-1,080,826.53-188,067.40

Finding the Fourth Proportional to 720,551.02, 1,080,826.53 and 188,067.40

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Solution

The fourth proportional to 720,551.02, 1,080,826.53 and 188,067.40 is: 282,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,551.02 : 1,080,826.53 = 188,067.40 : x
  2. Step 2: Convert to fraction form
    720,551.02/1,080,826.53 = 188,067.40/x
  3. Step 3: Cross multiply
    720,551.02x = 1,080,826.53 × 188,067.40
  4. Step 4: Simplify right side
    720,551.02x = 203,268,235,348.12
  5. Step 5: Solve for x
    x = 203,268,235,348.12/720,551.02
  6. Step 6: Final answer
    x = 282,101.10

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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.