Home / 1,352,380.55-2,028,103.74-392,575.98

Finding the Fourth Proportional to 1,352,380.55, 2,028,103.74 and 392,575.98

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Solution

The fourth proportional to 1,352,380.55, 2,028,103.74 and 392,575.98 is: 588,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,380.55 : 2,028,103.74 = 392,575.98 : x
  2. Step 2: Convert to fraction form
    1,352,380.55/2,028,103.74 = 392,575.98/x
  3. Step 3: Cross multiply
    1,352,380.55x = 2,028,103.74 × 392,575.98
  4. Step 4: Simplify right side
    1,352,380.55x = 796,184,805,666.78
  5. Step 5: Solve for x
    x = 796,184,805,666.78/1,352,380.55
  6. Step 6: Final answer
    x = 588,728.38

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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.