Home / 851,921.72-1,175,652.06-469,949.48

Finding the Fourth Proportional to 851,921.72, 1,175,652.06 and 469,949.48

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Solution

The fourth proportional to 851,921.72, 1,175,652.06 and 469,949.48 is: 648,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,921.72 : 1,175,652.06 = 469,949.48 : x
  2. Step 2: Convert to fraction form
    851,921.72/1,175,652.06 = 469,949.48/x
  3. Step 3: Cross multiply
    851,921.72x = 1,175,652.06 × 469,949.48
  4. Step 4: Simplify right side
    851,921.72x = 552,497,074,257.93
  5. Step 5: Solve for x
    x = 552,497,074,257.93/851,921.72
  6. Step 6: Final answer
    x = 648,530.33

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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.