Home / 677,845.80-935,444.41-371,922.09

Finding the Fourth Proportional to 677,845.80, 935,444.41 and 371,922.09

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Solution

The fourth proportional to 677,845.80, 935,444.41 and 371,922.09 is: 513,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,845.80 : 935,444.41 = 371,922.09 : x
  2. Step 2: Convert to fraction form
    677,845.80/935,444.41 = 371,922.09/x
  3. Step 3: Cross multiply
    677,845.80x = 935,444.41 × 371,922.09
  4. Step 4: Simplify right side
    677,845.80x = 347,912,441,454.82
  5. Step 5: Solve for x
    x = 347,912,441,454.82/677,845.80
  6. Step 6: Final answer
    x = 513,261.93

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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.