Home / 639,177.24-958,454.82-339,801.24

Finding the Fourth Proportional to 639,177.24, 958,454.82 and 339,801.24

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Solution

The fourth proportional to 639,177.24, 958,454.82 and 339,801.24 is: 509,536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,177.24 : 958,454.82 = 339,801.24 : x
  2. Step 2: Convert to fraction form
    639,177.24/958,454.82 = 339,801.24/x
  3. Step 3: Cross multiply
    639,177.24x = 958,454.82 × 339,801.24
  4. Step 4: Simplify right side
    639,177.24x = 325,684,136,319.98
  5. Step 5: Solve for x
    x = 325,684,136,319.98/639,177.24
  6. Step 6: Final answer
    x = 509,536.50

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Double scale
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Similar ratio
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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.