Home / 411,521.32-567,789.90-282,499.25

Finding the Fourth Proportional to 411,521.32, 567,789.90 and 282,499.25

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Solution

The fourth proportional to 411,521.32, 567,789.90 and 282,499.25 is: 389,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,521.32 : 567,789.90 = 282,499.25 : x
  2. Step 2: Convert to fraction form
    411,521.32/567,789.90 = 282,499.25/x
  3. Step 3: Cross multiply
    411,521.32x = 567,789.90 × 282,499.25
  4. Step 4: Simplify right side
    411,521.32x = 160,400,220,907.58
  5. Step 5: Solve for x
    x = 160,400,220,907.58/411,521.32
  6. Step 6: Final answer
    x = 389,773.78

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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.