Home / 520,091.02-717,739.82-293,736.52

Finding the Fourth Proportional to 520,091.02, 717,739.82 and 293,736.52

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Solution

The fourth proportional to 520,091.02, 717,739.82 and 293,736.52 is: 405,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,091.02 : 717,739.82 = 293,736.52 : x
  2. Step 2: Convert to fraction form
    520,091.02/717,739.82 = 293,736.52/x
  3. Step 3: Cross multiply
    520,091.02x = 717,739.82 × 293,736.52
  4. Step 4: Simplify right side
    520,091.02x = 210,826,396,992.23
  5. Step 5: Solve for x
    x = 210,826,396,992.23/520,091.02
  6. Step 6: Final answer
    x = 405,364.42

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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.