Home / 1,115,103.02-1,538,838.15-605,800.94

Finding the Fourth Proportional to 1,115,103.02, 1,538,838.15 and 605,800.94

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Solution

The fourth proportional to 1,115,103.02, 1,538,838.15 and 605,800.94 is: 836,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,103.02 : 1,538,838.15 = 605,800.94 : x
  2. Step 2: Convert to fraction form
    1,115,103.02/1,538,838.15 = 605,800.94/x
  3. Step 3: Cross multiply
    1,115,103.02x = 1,538,838.15 × 605,800.94
  4. Step 4: Simplify right side
    1,115,103.02x = 932,229,597,777.86
  5. Step 5: Solve for x
    x = 932,229,597,777.86/1,115,103.02
  6. Step 6: Final answer
    x = 836,003.11

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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.