Home / 515,045.99-769,436.08-333,654.83

Finding the Fourth Proportional to 515,045.99, 769,436.08 and 333,654.83

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Solution

The fourth proportional to 515,045.99, 769,436.08 and 333,654.83 is: 498,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,045.99 : 769,436.08 = 333,654.83 : x
  2. Step 2: Convert to fraction form
    515,045.99/769,436.08 = 333,654.83/x
  3. Step 3: Cross multiply
    515,045.99x = 769,436.08 × 333,654.83
  4. Step 4: Simplify right side
    515,045.99x = 256,726,062,672.33
  5. Step 5: Solve for x
    x = 256,726,062,672.33/515,045.99
  6. Step 6: Final answer
    x = 498,452.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.