Home / 863,326.40-1,191,403.68-481,340.48

Finding the Fourth Proportional to 863,326.40, 1,191,403.68 and 481,340.48

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Solution

The fourth proportional to 863,326.40, 1,191,403.68 and 481,340.48 is: 664,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,326.40 : 1,191,403.68 = 481,340.48 : x
  2. Step 2: Convert to fraction form
    863,326.40/1,191,403.68 = 481,340.48/x
  3. Step 3: Cross multiply
    863,326.40x = 1,191,403.68 × 481,340.48
  4. Step 4: Simplify right side
    863,326.40x = 573,470,819,204.97
  5. Step 5: Solve for x
    x = 573,470,819,204.97/863,326.40
  6. Step 6: Final answer
    x = 664,257.25

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Double scale
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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.