Home / 1,156,603.72-1,734,474.06-398,230.92

Finding the Fourth Proportional to 1,156,603.72, 1,734,474.06 and 398,230.92

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Solution

The fourth proportional to 1,156,603.72, 1,734,474.06 and 398,230.92 is: 597,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,603.72 : 1,734,474.06 = 398,230.92 : x
  2. Step 2: Convert to fraction form
    1,156,603.72/1,734,474.06 = 398,230.92/x
  3. Step 3: Cross multiply
    1,156,603.72x = 1,734,474.06 × 398,230.92
  4. Step 4: Simplify right side
    1,156,603.72x = 690,721,200,629.94
  5. Step 5: Solve for x
    x = 690,721,200,629.94/1,156,603.72
  6. Step 6: Final answer
    x = 597,197.80

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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.