Home / 930,905.37-1,396,358.14-299,819.18

Finding the Fourth Proportional to 930,905.37, 1,396,358.14 and 299,819.18

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Solution

The fourth proportional to 930,905.37, 1,396,358.14 and 299,819.18 is: 449,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,905.37 : 1,396,358.14 = 299,819.18 : x
  2. Step 2: Convert to fraction form
    930,905.37/1,396,358.14 = 299,819.18/x
  3. Step 3: Cross multiply
    930,905.37x = 1,396,358.14 × 299,819.18
  4. Step 4: Simplify right side
    930,905.37x = 418,654,955,262.47
  5. Step 5: Solve for x
    x = 418,654,955,262.47/930,905.37
  6. Step 6: Final answer
    x = 449,728.80

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Double scale
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1.5x scale

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.