Home / 1,247,808.89-1,721,977.44-674,849.05

Finding the Fourth Proportional to 1,247,808.89, 1,721,977.44 and 674,849.05

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Solution

The fourth proportional to 1,247,808.89, 1,721,977.44 and 674,849.05 is: 931,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,808.89 : 1,721,977.44 = 674,849.05 : x
  2. Step 2: Convert to fraction form
    1,247,808.89/1,721,977.44 = 674,849.05/x
  3. Step 3: Cross multiply
    1,247,808.89x = 1,721,977.44 × 674,849.05
  4. Step 4: Simplify right side
    1,247,808.89x = 1,162,074,839,505.43
  5. Step 5: Solve for x
    x = 1,162,074,839,505.43/1,247,808.89
  6. Step 6: Final answer
    x = 931,292.32

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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.