Home / 1,271,536-1,753,704.85-836,400.23

Finding the Fourth Proportional to 1,271,536, 1,753,704.85 and 836,400.23

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Solution

The fourth proportional to 1,271,536, 1,753,704.85 and 836,400.23 is: 1,153,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,536 : 1,753,704.85 = 836,400.23 : x
  2. Step 2: Convert to fraction form
    1,271,536/1,753,704.85 = 836,400.23/x
  3. Step 3: Cross multiply
    1,271,536x = 1,753,704.85 × 836,400.23
  4. Step 4: Simplify right side
    1,271,536x = 1,466,799,139,892.12
  5. Step 5: Solve for x
    x = 1,466,799,139,892.12/1,271,536
  6. Step 6: Final answer
    x = 1,153,564.78

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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.