Home / 923,098.14-1,273,939.38-515,279.34

Finding the Fourth Proportional to 923,098.14, 1,273,939.38 and 515,279.34

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Solution

The fourth proportional to 923,098.14, 1,273,939.38 and 515,279.34 is: 711,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,098.14 : 1,273,939.38 = 515,279.34 : x
  2. Step 2: Convert to fraction form
    923,098.14/1,273,939.38 = 515,279.34/x
  3. Step 3: Cross multiply
    923,098.14x = 1,273,939.38 × 515,279.34
  4. Step 4: Simplify right side
    923,098.14x = 656,434,642,926.41
  5. Step 5: Solve for x
    x = 656,434,642,926.41/923,098.14
  6. Step 6: Final answer
    x = 711,121.18

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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.