Home / 1,621,900.20-2,238,167.44-933,476.50

Finding the Fourth Proportional to 1,621,900.20, 2,238,167.44 and 933,476.50

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Solution

The fourth proportional to 1,621,900.20, 2,238,167.44 and 933,476.50 is: 1,288,166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,900.20 : 2,238,167.44 = 933,476.50 : x
  2. Step 2: Convert to fraction form
    1,621,900.20/2,238,167.44 = 933,476.50/x
  3. Step 3: Cross multiply
    1,621,900.20x = 2,238,167.44 × 933,476.50
  4. Step 4: Simplify right side
    1,621,900.20x = 2,089,276,692,446.94
  5. Step 5: Solve for x
    x = 2,089,276,692,446.94/1,621,900.20
  6. Step 6: Final answer
    x = 1,288,166.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.