Home / 672,227.30-1,007,968.86-267,009.01

Finding the Fourth Proportional to 672,227.30, 1,007,968.86 and 267,009.01

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Solution

The fourth proportional to 672,227.30, 1,007,968.86 and 267,009.01 is: 400,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,227.30 : 1,007,968.86 = 267,009.01 : x
  2. Step 2: Convert to fraction form
    672,227.30/1,007,968.86 = 267,009.01/x
  3. Step 3: Cross multiply
    672,227.30x = 1,007,968.86 × 267,009.01
  4. Step 4: Simplify right side
    672,227.30x = 269,136,764,899.51
  5. Step 5: Solve for x
    x = 269,136,764,899.51/672,227.30
  6. Step 6: Final answer
    x = 400,365.72

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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.