Home / 605,521.57-907,658.54-268,720.83

Finding the Fourth Proportional to 605,521.57, 907,658.54 and 268,720.83

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Solution

The fourth proportional to 605,521.57, 907,658.54 and 268,720.83 is: 402,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,521.57 : 907,658.54 = 268,720.83 : x
  2. Step 2: Convert to fraction form
    605,521.57/907,658.54 = 268,720.83/x
  3. Step 3: Cross multiply
    605,521.57x = 907,658.54 × 268,720.83
  4. Step 4: Simplify right side
    605,521.57x = 243,906,757,822.73
  5. Step 5: Solve for x
    x = 243,906,757,822.73/605,521.57
  6. Step 6: Final answer
    x = 402,804.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.