Home / 842,623.18-1,162,736.44-480,025.43

Finding the Fourth Proportional to 842,623.18, 1,162,736.44 and 480,025.43

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Solution

The fourth proportional to 842,623.18, 1,162,736.44 and 480,025.43 is: 662,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,623.18 : 1,162,736.44 = 480,025.43 : x
  2. Step 2: Convert to fraction form
    842,623.18/1,162,736.44 = 480,025.43/x
  3. Step 3: Cross multiply
    842,623.18x = 1,162,736.44 × 480,025.43
  4. Step 4: Simplify right side
    842,623.18x = 558,143,057,187.54
  5. Step 5: Solve for x
    x = 558,143,057,187.54/842,623.18
  6. Step 6: Final answer
    x = 662,387.50

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1.5x scale

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.