Home / 1,613,530.70-2,419,731.95-475,990.86

Finding the Fourth Proportional to 1,613,530.70, 2,419,731.95 and 475,990.86

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Solution

The fourth proportional to 1,613,530.70, 2,419,731.95 and 475,990.86 is: 713,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,530.70 : 2,419,731.95 = 475,990.86 : x
  2. Step 2: Convert to fraction form
    1,613,530.70/2,419,731.95 = 475,990.86/x
  3. Step 3: Cross multiply
    1,613,530.70x = 2,419,731.95 × 475,990.86
  4. Step 4: Simplify right side
    1,613,530.70x = 1,151,770,289,470.02
  5. Step 5: Solve for x
    x = 1,151,770,289,470.02/1,613,530.70
  6. Step 6: Final answer
    x = 713,819.88

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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.