Home / 513,239.58-708,241.92-283,783.56

Finding the Fourth Proportional to 513,239.58, 708,241.92 and 283,783.56

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Solution

The fourth proportional to 513,239.58, 708,241.92 and 283,783.56 is: 391,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,239.58 : 708,241.92 = 283,783.56 : x
  2. Step 2: Convert to fraction form
    513,239.58/708,241.92 = 283,783.56/x
  3. Step 3: Cross multiply
    513,239.58x = 708,241.92 × 283,783.56
  4. Step 4: Simplify right side
    513,239.58x = 200,987,413,398.84
  5. Step 5: Solve for x
    x = 200,987,413,398.84/513,239.58
  6. Step 6: Final answer
    x = 391,605.44

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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.