Home / 923,553.05-1,274,491.13-515,661.83

Finding the Fourth Proportional to 923,553.05, 1,274,491.13 and 515,661.83

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Solution

The fourth proportional to 923,553.05, 1,274,491.13 and 515,661.83 is: 711,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,553.05 : 1,274,491.13 = 515,661.83 : x
  2. Step 2: Convert to fraction form
    923,553.05/1,274,491.13 = 515,661.83/x
  3. Step 3: Cross multiply
    923,553.05x = 1,274,491.13 × 515,661.83
  4. Step 4: Simplify right side
    923,553.05x = 657,206,428,414.57
  5. Step 5: Solve for x
    x = 657,206,428,414.57/923,553.05
  6. Step 6: Final answer
    x = 711,606.58

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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.