Home / 881,587.81-1,322,381.44-408,014.83

Finding the Fourth Proportional to 881,587.81, 1,322,381.44 and 408,014.83

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Solution

The fourth proportional to 881,587.81, 1,322,381.44 and 408,014.83 is: 612,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,587.81 : 1,322,381.44 = 408,014.83 : x
  2. Step 2: Convert to fraction form
    881,587.81/1,322,381.44 = 408,014.83/x
  3. Step 3: Cross multiply
    881,587.81x = 1,322,381.44 × 408,014.83
  4. Step 4: Simplify right side
    881,587.81x = 539,551,238,436.76
  5. Step 5: Solve for x
    x = 539,551,238,436.76/881,587.81
  6. Step 6: Final answer
    x = 612,022.12

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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.