Home / 395,917.92-546,343.20-234,788.16

Finding the Fourth Proportional to 395,917.92, 546,343.20 and 234,788.16

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Solution

The fourth proportional to 395,917.92, 546,343.20 and 234,788.16 is: 323,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,917.92 : 546,343.20 = 234,788.16 : x
  2. Step 2: Convert to fraction form
    395,917.92/546,343.20 = 234,788.16/x
  3. Step 3: Cross multiply
    395,917.92x = 546,343.20 × 234,788.16
  4. Step 4: Simplify right side
    395,917.92x = 128,274,914,656.51
  5. Step 5: Solve for x
    x = 128,274,914,656.51/395,917.92
  6. Step 6: Final answer
    x = 323,993.71

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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.