Home / 644,669.51-967,003.20-171,354.87

Finding the Fourth Proportional to 644,669.51, 967,003.20 and 171,354.87

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Solution

The fourth proportional to 644,669.51, 967,003.20 and 171,354.87 is: 257,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,669.51 : 967,003.20 = 171,354.87 : x
  2. Step 2: Convert to fraction form
    644,669.51/967,003.20 = 171,354.87/x
  3. Step 3: Cross multiply
    644,669.51x = 967,003.20 × 171,354.87
  4. Step 4: Simplify right side
    644,669.51x = 165,700,707,625.58
  5. Step 5: Solve for x
    x = 165,700,707,625.58/644,669.51
  6. Step 6: Final answer
    x = 257,032.02

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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.