Home / 641,979.60-962,967.12-192,698.52

Finding the Fourth Proportional to 641,979.60, 962,967.12 and 192,698.52

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Solution

The fourth proportional to 641,979.60, 962,967.12 and 192,698.52 is: 289,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,979.60 : 962,967.12 = 192,698.52 : x
  2. Step 2: Convert to fraction form
    641,979.60/962,967.12 = 192,698.52/x
  3. Step 3: Cross multiply
    641,979.60x = 962,967.12 × 192,698.52
  4. Step 4: Simplify right side
    641,979.60x = 185,562,338,832.66
  5. Step 5: Solve for x
    x = 185,562,338,832.66/641,979.60
  6. Step 6: Final answer
    x = 289,047.10

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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.