Home / 1,327,005.52-1,990,509.72-329,733.52

Finding the Fourth Proportional to 1,327,005.52, 1,990,509.72 and 329,733.52

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Solution

The fourth proportional to 1,327,005.52, 1,990,509.72 and 329,733.52 is: 494,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,005.52 : 1,990,509.72 = 329,733.52 : x
  2. Step 2: Convert to fraction form
    1,327,005.52/1,990,509.72 = 329,733.52/x
  3. Step 3: Cross multiply
    1,327,005.52x = 1,990,509.72 × 329,733.52
  4. Step 4: Simplify right side
    1,327,005.52x = 656,337,776,569.82
  5. Step 5: Solve for x
    x = 656,337,776,569.82/1,327,005.52
  6. Step 6: Final answer
    x = 494,600.64

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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.