Home / 874,553.94-1,310,777.91-400,587.30

Finding the Fourth Proportional to 874,553.94, 1,310,777.91 and 400,587.30

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Solution

The fourth proportional to 874,553.94, 1,310,777.91 and 400,587.30 is: 600,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,553.94 : 1,310,777.91 = 400,587.30 : x
  2. Step 2: Convert to fraction form
    874,553.94/1,310,777.91 = 400,587.30/x
  3. Step 3: Cross multiply
    874,553.94x = 1,310,777.91 × 400,587.30
  4. Step 4: Simplify right side
    874,553.94x = 525,080,983,866.54
  5. Step 5: Solve for x
    x = 525,080,983,866.54/874,553.94
  6. Step 6: Final answer
    x = 600,398.63

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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.