Home / 1,076,629.80-1,614,944.70-515,375.40

Finding the Fourth Proportional to 1,076,629.80, 1,614,944.70 and 515,375.40

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Solution

The fourth proportional to 1,076,629.80, 1,614,944.70 and 515,375.40 is: 773,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,629.80 : 1,614,944.70 = 515,375.40 : x
  2. Step 2: Convert to fraction form
    1,076,629.80/1,614,944.70 = 515,375.40/x
  3. Step 3: Cross multiply
    1,076,629.80x = 1,614,944.70 × 515,375.40
  4. Step 4: Simplify right side
    1,076,629.80x = 832,302,770,740.38
  5. Step 5: Solve for x
    x = 832,302,770,740.38/1,076,629.80
  6. Step 6: Final answer
    x = 773,063.10

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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.