Home / 577,537.93-796,976.09-319,417.25

Finding the Fourth Proportional to 577,537.93, 796,976.09 and 319,417.25

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Solution

The fourth proportional to 577,537.93, 796,976.09 and 319,417.25 is: 440,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,537.93 : 796,976.09 = 319,417.25 : x
  2. Step 2: Convert to fraction form
    577,537.93/796,976.09 = 319,417.25/x
  3. Step 3: Cross multiply
    577,537.93x = 796,976.09 × 319,417.25
  4. Step 4: Simplify right side
    577,537.93x = 254,567,910,983.55
  5. Step 5: Solve for x
    x = 254,567,910,983.55/577,537.93
  6. Step 6: Final answer
    x = 440,781.29

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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.