Home / 1,192,217.54-1,644,426.26-784,188.95

Finding the Fourth Proportional to 1,192,217.54, 1,644,426.26 and 784,188.95

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Solution

The fourth proportional to 1,192,217.54, 1,644,426.26 and 784,188.95 is: 1,081,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,217.54 : 1,644,426.26 = 784,188.95 : x
  2. Step 2: Convert to fraction form
    1,192,217.54/1,644,426.26 = 784,188.95/x
  3. Step 3: Cross multiply
    1,192,217.54x = 1,644,426.26 × 784,188.95
  4. Step 4: Simplify right side
    1,192,217.54x = 1,289,540,892,979.46
  5. Step 5: Solve for x
    x = 1,289,540,892,979.46/1,192,217.54
  6. Step 6: Final answer
    x = 1,081,632.21

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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.