Home / 689,988.22-952,093.62-384,077.48

Finding the Fourth Proportional to 689,988.22, 952,093.62 and 384,077.48

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Solution

The fourth proportional to 689,988.22, 952,093.62 and 384,077.48 is: 529,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,988.22 : 952,093.62 = 384,077.48 : x
  2. Step 2: Convert to fraction form
    689,988.22/952,093.62 = 384,077.48/x
  3. Step 3: Cross multiply
    689,988.22x = 952,093.62 × 384,077.48
  4. Step 4: Simplify right side
    689,988.22x = 365,677,718,293.68
  5. Step 5: Solve for x
    x = 365,677,718,293.68/689,988.22
  6. Step 6: Final answer
    x = 529,976.76

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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.