Home / 1,261,918.16-1,741,452.96-688,971.44

Finding the Fourth Proportional to 1,261,918.16, 1,741,452.96 and 688,971.44

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Solution

The fourth proportional to 1,261,918.16, 1,741,452.96 and 688,971.44 is: 950,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,918.16 : 1,741,452.96 = 688,971.44 : x
  2. Step 2: Convert to fraction form
    1,261,918.16/1,741,452.96 = 688,971.44/x
  3. Step 3: Cross multiply
    1,261,918.16x = 1,741,452.96 × 688,971.44
  4. Step 4: Simplify right side
    1,261,918.16x = 1,199,811,353,543.46
  5. Step 5: Solve for x
    x = 1,199,811,353,543.46/1,261,918.16
  6. Step 6: Final answer
    x = 950,783.81

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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.