Home / 1,261,933.20-1,741,458.72-688,973.37

Finding the Fourth Proportional to 1,261,933.20, 1,741,458.72 and 688,973.37

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Solution

The fourth proportional to 1,261,933.20, 1,741,458.72 and 688,973.37 is: 950,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,933.20 : 1,741,458.72 = 688,973.37 : x
  2. Step 2: Convert to fraction form
    1,261,933.20/1,741,458.72 = 688,973.37/x
  3. Step 3: Cross multiply
    1,261,933.20x = 1,741,458.72 × 688,973.37
  4. Step 4: Simplify right side
    1,261,933.20x = 1,199,818,683,034.29
  5. Step 5: Solve for x
    x = 1,199,818,683,034.29/1,261,933.20
  6. Step 6: Final answer
    x = 950,778.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.