Home / 1,079,188.23-1,618,969.36-439,839.79

Finding the Fourth Proportional to 1,079,188.23, 1,618,969.36 and 439,839.79

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Solution

The fourth proportional to 1,079,188.23, 1,618,969.36 and 439,839.79 is: 659,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,188.23 : 1,618,969.36 = 439,839.79 : x
  2. Step 2: Convert to fraction form
    1,079,188.23/1,618,969.36 = 439,839.79/x
  3. Step 3: Cross multiply
    1,079,188.23x = 1,618,969.36 × 439,839.79
  4. Step 4: Simplify right side
    1,079,188.23x = 712,087,145,892.35
  5. Step 5: Solve for x
    x = 712,087,145,892.35/1,079,188.23
  6. Step 6: Final answer
    x = 659,835.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.