Home / 1,076,540.80-1,614,422.40-543,884.80

Finding the Fourth Proportional to 1,076,540.80, 1,614,422.40 and 543,884.80

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Solution

The fourth proportional to 1,076,540.80, 1,614,422.40 and 543,884.80 is: 815,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,540.80 : 1,614,422.40 = 543,884.80 : x
  2. Step 2: Convert to fraction form
    1,076,540.80/1,614,422.40 = 543,884.80/x
  3. Step 3: Cross multiply
    1,076,540.80x = 1,614,422.40 × 543,884.80
  4. Step 4: Simplify right side
    1,076,540.80x = 878,059,804,139.52
  5. Step 5: Solve for x
    x = 878,059,804,139.52/1,076,540.80
  6. Step 6: Final answer
    x = 815,630.77

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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.