Home / 1,327,008.58-1,990,518-403,773.55

Finding the Fourth Proportional to 1,327,008.58, 1,990,518 and 403,773.55

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Solution

The fourth proportional to 1,327,008.58, 1,990,518 and 403,773.55 is: 605,661.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,008.58 : 1,990,518 = 403,773.55 : x
  2. Step 2: Convert to fraction form
    1,327,008.58/1,990,518 = 403,773.55/x
  3. Step 3: Cross multiply
    1,327,008.58x = 1,990,518 × 403,773.55
  4. Step 4: Simplify right side
    1,327,008.58x = 803,718,509,246.31
  5. Step 5: Solve for x
    x = 803,718,509,246.31/1,327,008.58
  6. Step 6: Final answer
    x = 605,661.88

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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.