Home / 677,836.64-935,382.98-371,906.12

Finding the Fourth Proportional to 677,836.64, 935,382.98 and 371,906.12

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Solution

The fourth proportional to 677,836.64, 935,382.98 and 371,906.12 is: 513,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,836.64 : 935,382.98 = 371,906.12 : x
  2. Step 2: Convert to fraction form
    677,836.64/935,382.98 = 371,906.12/x
  3. Step 3: Cross multiply
    677,836.64x = 935,382.98 × 371,906.12
  4. Step 4: Simplify right side
    677,836.64x = 347,874,648,269.39
  5. Step 5: Solve for x
    x = 347,874,648,269.39/677,836.64
  6. Step 6: Final answer
    x = 513,213.11

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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.