Home / 1,621,942.11-2,432,657.61-542,446.47

Finding the Fourth Proportional to 1,621,942.11, 2,432,657.61 and 542,446.47

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Solution

The fourth proportional to 1,621,942.11, 2,432,657.61 and 542,446.47 is: 813,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,942.11 : 2,432,657.61 = 542,446.47 : x
  2. Step 2: Convert to fraction form
    1,621,942.11/2,432,657.61 = 542,446.47/x
  3. Step 3: Cross multiply
    1,621,942.11x = 2,432,657.61 × 542,446.47
  4. Step 4: Simplify right side
    1,621,942.11x = 1,319,586,533,263.14
  5. Step 5: Solve for x
    x = 1,319,586,533,263.14/1,621,942.11
  6. Step 6: Final answer
    x = 813,584.24

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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.