Home / 1,178,049.90-1,767,074.85-1,091,444.70

Finding the Fourth Proportional to 1,178,049.90, 1,767,074.85 and 1,091,444.70

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Solution

The fourth proportional to 1,178,049.90, 1,767,074.85 and 1,091,444.70 is: 1,637,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,049.90 : 1,767,074.85 = 1,091,444.70 : x
  2. Step 2: Convert to fraction form
    1,178,049.90/1,767,074.85 = 1,091,444.70/x
  3. Step 3: Cross multiply
    1,178,049.90x = 1,767,074.85 × 1,091,444.70
  4. Step 4: Simplify right side
    1,178,049.90x = 1,928,664,479,535.80
  5. Step 5: Solve for x
    x = 1,928,664,479,535.80/1,178,049.90
  6. Step 6: Final answer
    x = 1,637,167.05

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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.