Home / 1,093,160.88-1,639,421.28-419,191.92

Finding the Fourth Proportional to 1,093,160.88, 1,639,421.28 and 419,191.92

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Solution

The fourth proportional to 1,093,160.88, 1,639,421.28 and 419,191.92 is: 628,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,160.88 : 1,639,421.28 = 419,191.92 : x
  2. Step 2: Convert to fraction form
    1,093,160.88/1,639,421.28 = 419,191.92/x
  3. Step 3: Cross multiply
    1,093,160.88x = 1,639,421.28 × 419,191.92
  4. Step 4: Simplify right side
    1,093,160.88x = 687,232,154,052.06
  5. Step 5: Solve for x
    x = 687,232,154,052.06/1,093,160.88
  6. Step 6: Final answer
    x = 628,665.15

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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.