Home / 1,515,712.11-2,091,533.85-836,604.87

Finding the Fourth Proportional to 1,515,712.11, 2,091,533.85 and 836,604.87

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Solution

The fourth proportional to 1,515,712.11, 2,091,533.85 and 836,604.87 is: 1,154,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,712.11 : 2,091,533.85 = 836,604.87 : x
  2. Step 2: Convert to fraction form
    1,515,712.11/2,091,533.85 = 836,604.87/x
  3. Step 3: Cross multiply
    1,515,712.11x = 2,091,533.85 × 836,604.87
  4. Step 4: Simplify right side
    1,515,712.11x = 1,749,787,404,679.85
  5. Step 5: Solve for x
    x = 1,749,787,404,679.85/1,515,712.11
  6. Step 6: Final answer
    x = 1,154,432.56

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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.