Home / 1,818,991.80-2,728,487.70-620,953.20

Finding the Fourth Proportional to 1,818,991.80, 2,728,487.70 and 620,953.20

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Solution

The fourth proportional to 1,818,991.80, 2,728,487.70 and 620,953.20 is: 931,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,991.80 : 2,728,487.70 = 620,953.20 : x
  2. Step 2: Convert to fraction form
    1,818,991.80/2,728,487.70 = 620,953.20/x
  3. Step 3: Cross multiply
    1,818,991.80x = 2,728,487.70 × 620,953.20
  4. Step 4: Simplify right side
    1,818,991.80x = 1,694,263,168,475.64
  5. Step 5: Solve for x
    x = 1,694,263,168,475.64/1,818,991.80
  6. Step 6: Final answer
    x = 931,429.80

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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.