Home / 1,621,415.88-2,432,224.10-542,025.56

Finding the Fourth Proportional to 1,621,415.88, 2,432,224.10 and 542,025.56

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Solution

The fourth proportional to 1,621,415.88, 2,432,224.10 and 542,025.56 is: 813,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,415.88 : 2,432,224.10 = 542,025.56 : x
  2. Step 2: Convert to fraction form
    1,621,415.88/2,432,224.10 = 542,025.56/x
  3. Step 3: Cross multiply
    1,621,415.88x = 2,432,224.10 × 542,025.56
  4. Step 4: Simplify right side
    1,621,415.88x = 1,318,327,637,283.62
  5. Step 5: Solve for x
    x = 1,318,327,637,283.62/1,621,415.88
  6. Step 6: Final answer
    x = 813,071.87

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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.