Home / 1,319,926.96-1,821,525.06-861,334.93

Finding the Fourth Proportional to 1,319,926.96, 1,821,525.06 and 861,334.93

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Solution

The fourth proportional to 1,319,926.96, 1,821,525.06 and 861,334.93 is: 1,188,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,926.96 : 1,821,525.06 = 861,334.93 : x
  2. Step 2: Convert to fraction form
    1,319,926.96/1,821,525.06 = 861,334.93/x
  3. Step 3: Cross multiply
    1,319,926.96x = 1,821,525.06 × 861,334.93
  4. Step 4: Simplify right side
    1,319,926.96x = 1,568,943,165,555.26
  5. Step 5: Solve for x
    x = 1,568,943,165,555.26/1,319,926.96
  6. Step 6: Final answer
    x = 1,188,659.08

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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.