Home / 1,515,296.11-2,091,104.35-836,227.75

Finding the Fourth Proportional to 1,515,296.11, 2,091,104.35 and 836,227.75

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Solution

The fourth proportional to 1,515,296.11, 2,091,104.35 and 836,227.75 is: 1,153,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,296.11 : 2,091,104.35 = 836,227.75 : x
  2. Step 2: Convert to fraction form
    1,515,296.11/2,091,104.35 = 836,227.75/x
  3. Step 3: Cross multiply
    1,515,296.11x = 2,091,104.35 × 836,227.75
  4. Step 4: Simplify right side
    1,515,296.11x = 1,748,639,485,615.71
  5. Step 5: Solve for x
    x = 1,748,639,485,615.71/1,515,296.11
  6. Step 6: Final answer
    x = 1,153,991.93

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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.