Home / 678,833.16-936,764.01-377,046.60

Finding the Fourth Proportional to 678,833.16, 936,764.01 and 377,046.60

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Solution

The fourth proportional to 678,833.16, 936,764.01 and 377,046.60 is: 520,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,833.16 : 936,764.01 = 377,046.60 : x
  2. Step 2: Convert to fraction form
    678,833.16/936,764.01 = 377,046.60/x
  3. Step 3: Cross multiply
    678,833.16x = 936,764.01 × 377,046.60
  4. Step 4: Simplify right side
    678,833.16x = 353,203,684,972.87
  5. Step 5: Solve for x
    x = 353,203,684,972.87/678,833.16
  6. Step 6: Final answer
    x = 520,310.01

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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.