Home / 1,271,307.69-1,753,910.17-719,896.81

Finding the Fourth Proportional to 1,271,307.69, 1,753,910.17 and 719,896.81

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Solution

The fourth proportional to 1,271,307.69, 1,753,910.17 and 719,896.81 is: 993,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,307.69 : 1,753,910.17 = 719,896.81 : x
  2. Step 2: Convert to fraction form
    1,271,307.69/1,753,910.17 = 719,896.81/x
  3. Step 3: Cross multiply
    1,271,307.69x = 1,753,910.17 × 719,896.81
  4. Step 4: Simplify right side
    1,271,307.69x = 1,262,634,336,409.56
  5. Step 5: Solve for x
    x = 1,262,634,336,409.56/1,271,307.69
  6. Step 6: Final answer
    x = 993,177.61

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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.