Home / 1,515,874.04-2,091,906.54-836,811

Finding the Fourth Proportional to 1,515,874.04, 2,091,906.54 and 836,811

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Solution

The fourth proportional to 1,515,874.04, 2,091,906.54 and 836,811 is: 1,154,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,874.04 : 2,091,906.54 = 836,811 : x
  2. Step 2: Convert to fraction form
    1,515,874.04/2,091,906.54 = 836,811/x
  3. Step 3: Cross multiply
    1,515,874.04x = 2,091,906.54 × 836,811
  4. Step 4: Simplify right side
    1,515,874.04x = 1,750,530,403,643.94
  5. Step 5: Solve for x
    x = 1,750,530,403,643.94/1,515,874.04
  6. Step 6: Final answer
    x = 1,154,799.38

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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.