Home / 1,679,396.76-2,519,586.09-542,132.46

Finding the Fourth Proportional to 1,679,396.76, 2,519,586.09 and 542,132.46

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Solution

The fourth proportional to 1,679,396.76, 2,519,586.09 and 542,132.46 is: 813,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,396.76 : 2,519,586.09 = 542,132.46 : x
  2. Step 2: Convert to fraction form
    1,679,396.76/2,519,586.09 = 542,132.46/x
  3. Step 3: Cross multiply
    1,679,396.76x = 2,519,586.09 × 542,132.46
  4. Step 4: Simplify right side
    1,679,396.76x = 1,365,949,405,153.48
  5. Step 5: Solve for x
    x = 1,365,949,405,153.48/1,679,396.76
  6. Step 6: Final answer
    x = 813,357.18

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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.