Home / 1,076,520.80-1,614,392.40-543,864.80

Finding the Fourth Proportional to 1,076,520.80, 1,614,392.40 and 543,864.80

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Solution

The fourth proportional to 1,076,520.80, 1,614,392.40 and 543,864.80 is: 815,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,520.80 : 1,614,392.40 = 543,864.80 : x
  2. Step 2: Convert to fraction form
    1,076,520.80/1,614,392.40 = 543,864.80/x
  3. Step 3: Cross multiply
    1,076,520.80x = 1,614,392.40 × 543,864.80
  4. Step 4: Simplify right side
    1,076,520.80x = 878,011,199,747.52
  5. Step 5: Solve for x
    x = 878,011,199,747.52/1,076,520.80
  6. Step 6: Final answer
    x = 815,600.78

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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.