Home / 683,109.54-943,156.17-441,975.78

Finding the Fourth Proportional to 683,109.54, 943,156.17 and 441,975.78

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Solution

The fourth proportional to 683,109.54, 943,156.17 and 441,975.78 is: 610,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,109.54 : 943,156.17 = 441,975.78 : x
  2. Step 2: Convert to fraction form
    683,109.54/943,156.17 = 441,975.78/x
  3. Step 3: Cross multiply
    683,109.54x = 943,156.17 × 441,975.78
  4. Step 4: Simplify right side
    683,109.54x = 416,852,183,897.56
  5. Step 5: Solve for x
    x = 416,852,183,897.56/683,109.54
  6. Step 6: Final answer
    x = 610,227.44

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Double scale
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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.