Home / 1,192,986.91-1,789,480.37-434,885.23

Finding the Fourth Proportional to 1,192,986.91, 1,789,480.37 and 434,885.23

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Solution

The fourth proportional to 1,192,986.91, 1,789,480.37 and 434,885.23 is: 652,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,986.91 : 1,789,480.37 = 434,885.23 : x
  2. Step 2: Convert to fraction form
    1,192,986.91/1,789,480.37 = 434,885.23/x
  3. Step 3: Cross multiply
    1,192,986.91x = 1,789,480.37 × 434,885.23
  4. Step 4: Simplify right side
    1,192,986.91x = 778,218,582,287.94
  5. Step 5: Solve for x
    x = 778,218,582,287.94/1,192,986.91
  6. Step 6: Final answer
    x = 652,327.85

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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.