Home / 1,621,409.73-2,432,214.89-542,019.41

Finding the Fourth Proportional to 1,621,409.73, 2,432,214.89 and 542,019.41

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Solution

The fourth proportional to 1,621,409.73, 2,432,214.89 and 542,019.41 is: 813,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,409.73 : 2,432,214.89 = 542,019.41 : x
  2. Step 2: Convert to fraction form
    1,621,409.73/2,432,214.89 = 542,019.41/x
  3. Step 3: Cross multiply
    1,621,409.73x = 2,432,214.89 × 542,019.41
  4. Step 4: Simplify right side
    1,621,409.73x = 1,318,307,664,799.84
  5. Step 5: Solve for x
    x = 1,318,307,664,799.84/1,621,409.73
  6. Step 6: Final answer
    x = 813,062.63

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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.