Home / 863,699.36-1,191,906.70-481,750.74

Finding the Fourth Proportional to 863,699.36, 1,191,906.70 and 481,750.74

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Solution

The fourth proportional to 863,699.36, 1,191,906.70 and 481,750.74 is: 664,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,699.36 : 1,191,906.70 = 481,750.74 : x
  2. Step 2: Convert to fraction form
    863,699.36/1,191,906.70 = 481,750.74/x
  3. Step 3: Cross multiply
    863,699.36x = 1,191,906.70 × 481,750.74
  4. Step 4: Simplify right side
    863,699.36x = 574,201,933,531.58
  5. Step 5: Solve for x
    x = 574,201,933,531.58/863,699.36
  6. Step 6: Final answer
    x = 664,816.91

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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.