Home / 689,119.32-951,005.21-417,236.94

Finding the Fourth Proportional to 689,119.32, 951,005.21 and 417,236.94

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Solution

The fourth proportional to 689,119.32, 951,005.21 and 417,236.94 is: 575,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,119.32 : 951,005.21 = 417,236.94 : x
  2. Step 2: Convert to fraction form
    689,119.32/951,005.21 = 417,236.94/x
  3. Step 3: Cross multiply
    689,119.32x = 951,005.21 × 417,236.94
  4. Step 4: Simplify right side
    689,119.32x = 396,794,503,744.46
  5. Step 5: Solve for x
    x = 396,794,503,744.46/689,119.32
  6. Step 6: Final answer
    x = 575,799.42

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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.