Home / 3,057,486.72-4,586,333.60-813,626.88

Finding the Fourth Proportional to 3,057,486.72, 4,586,333.60 and 813,626.88

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Solution

The fourth proportional to 3,057,486.72, 4,586,333.60 and 813,626.88 is: 1,220,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,486.72 : 4,586,333.60 = 813,626.88 : x
  2. Step 2: Convert to fraction form
    3,057,486.72/4,586,333.60 = 813,626.88/x
  3. Step 3: Cross multiply
    3,057,486.72x = 4,586,333.60 × 813,626.88
  4. Step 4: Simplify right side
    3,057,486.72x = 3,731,564,297,607.17
  5. Step 5: Solve for x
    x = 3,731,564,297,607.17/3,057,486.72
  6. Step 6: Final answer
    x = 1,220,467.87

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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.