Home / 1,271,069.11-1,753,648.60-719,709.60

Finding the Fourth Proportional to 1,271,069.11, 1,753,648.60 and 719,709.60

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Solution

The fourth proportional to 1,271,069.11, 1,753,648.60 and 719,709.60 is: 992,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,069.11 : 1,753,648.60 = 719,709.60 : x
  2. Step 2: Convert to fraction form
    1,271,069.11/1,753,648.60 = 719,709.60/x
  3. Step 3: Cross multiply
    1,271,069.11x = 1,753,648.60 × 719,709.60
  4. Step 4: Simplify right side
    1,271,069.11x = 1,262,117,732,446.56
  5. Step 5: Solve for x
    x = 1,262,117,732,446.56/1,271,069.11
  6. Step 6: Final answer
    x = 992,957.60

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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.