Home / 863,314.62-1,191,374.91-481,333.74

Finding the Fourth Proportional to 863,314.62, 1,191,374.91 and 481,333.74

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Solution

The fourth proportional to 863,314.62, 1,191,374.91 and 481,333.74 is: 664,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,314.62 : 1,191,374.91 = 481,333.74 : x
  2. Step 2: Convert to fraction form
    863,314.62/1,191,374.91 = 481,333.74/x
  3. Step 3: Cross multiply
    863,314.62x = 1,191,374.91 × 481,333.74
  4. Step 4: Simplify right side
    863,314.62x = 573,448,941,172.46
  5. Step 5: Solve for x
    x = 573,448,941,172.46/863,314.62
  6. Step 6: Final answer
    x = 664,240.97

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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.