Home / 1,182,322.67-1,629,897.68-842,200.43

Finding the Fourth Proportional to 1,182,322.67, 1,629,897.68 and 842,200.43

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Solution

The fourth proportional to 1,182,322.67, 1,629,897.68 and 842,200.43 is: 1,161,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,322.67 : 1,629,897.68 = 842,200.43 : x
  2. Step 2: Convert to fraction form
    1,182,322.67/1,629,897.68 = 842,200.43/x
  3. Step 3: Cross multiply
    1,182,322.67x = 1,629,897.68 × 842,200.43
  4. Step 4: Simplify right side
    1,182,322.67x = 1,372,700,522,741.00
  5. Step 5: Solve for x
    x = 1,372,700,522,741.00/1,182,322.67
  6. Step 6: Final answer
    x = 1,161,020.22

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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.