Home / 1,291,181.44-1,781,759.64-710,393.56

Finding the Fourth Proportional to 1,291,181.44, 1,781,759.64 and 710,393.56

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Solution

The fourth proportional to 1,291,181.44, 1,781,759.64 and 710,393.56 is: 980,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,181.44 : 1,781,759.64 = 710,393.56 : x
  2. Step 2: Convert to fraction form
    1,291,181.44/1,781,759.64 = 710,393.56/x
  3. Step 3: Cross multiply
    1,291,181.44x = 1,781,759.64 × 710,393.56
  4. Step 4: Simplify right side
    1,291,181.44x = 1,265,750,573,723.92
  5. Step 5: Solve for x
    x = 1,265,750,573,723.92/1,291,181.44
  6. Step 6: Final answer
    x = 980,304.19

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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.