Home / 403,067.23-556,463.18-267,285.67

Finding the Fourth Proportional to 403,067.23, 556,463.18 and 267,285.67

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Solution

The fourth proportional to 403,067.23, 556,463.18 and 267,285.67 is: 369,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,067.23 : 556,463.18 = 267,285.67 : x
  2. Step 2: Convert to fraction form
    403,067.23/556,463.18 = 267,285.67/x
  3. Step 3: Cross multiply
    403,067.23x = 556,463.18 × 267,285.67
  4. Step 4: Simplify right side
    403,067.23x = 148,734,633,896.63
  5. Step 5: Solve for x
    x = 148,734,633,896.63/403,067.23
  6. Step 6: Final answer
    x = 369,007.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.