Home / 677,553.28-935,017.16-371,623.44

Finding the Fourth Proportional to 677,553.28, 935,017.16 and 371,623.44

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Solution

The fourth proportional to 677,553.28, 935,017.16 and 371,623.44 is: 512,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,553.28 : 935,017.16 = 371,623.44 : x
  2. Step 2: Convert to fraction form
    677,553.28/935,017.16 = 371,623.44/x
  3. Step 3: Cross multiply
    677,553.28x = 935,017.16 × 371,623.44
  4. Step 4: Simplify right side
    677,553.28x = 347,474,293,458.23
  5. Step 5: Solve for x
    x = 347,474,293,458.23/677,553.28
  6. Step 6: Final answer
    x = 512,836.86

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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.