Home / 1,554,168.20-2,330,561.10-712,977.80

Finding the Fourth Proportional to 1,554,168.20, 2,330,561.10 and 712,977.80

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Solution

The fourth proportional to 1,554,168.20, 2,330,561.10 and 712,977.80 is: 1,069,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,168.20 : 2,330,561.10 = 712,977.80 : x
  2. Step 2: Convert to fraction form
    1,554,168.20/2,330,561.10 = 712,977.80/x
  3. Step 3: Cross multiply
    1,554,168.20x = 2,330,561.10 × 712,977.80
  4. Step 4: Simplify right side
    1,554,168.20x = 1,661,638,325,843.58
  5. Step 5: Solve for x
    x = 1,661,638,325,843.58/1,554,168.20
  6. Step 6: Final answer
    x = 1,069,149.61

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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.