Home / 1,609,392.80-2,414,089.20-611,991.20

Finding the Fourth Proportional to 1,609,392.80, 2,414,089.20 and 611,991.20

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Solution

The fourth proportional to 1,609,392.80, 2,414,089.20 and 611,991.20 is: 917,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,392.80 : 2,414,089.20 = 611,991.20 : x
  2. Step 2: Convert to fraction form
    1,609,392.80/2,414,089.20 = 611,991.20/x
  3. Step 3: Cross multiply
    1,609,392.80x = 2,414,089.20 × 611,991.20
  4. Step 4: Simplify right side
    1,609,392.80x = 1,477,401,346,415.04
  5. Step 5: Solve for x
    x = 1,477,401,346,415.04/1,609,392.80
  6. Step 6: Final answer
    x = 917,986.80

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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.