Home / 901,801.34-1,244,504.62-493,920.37

Finding the Fourth Proportional to 901,801.34, 1,244,504.62 and 493,920.37

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Solution

The fourth proportional to 901,801.34, 1,244,504.62 and 493,920.37 is: 681,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,801.34 : 1,244,504.62 = 493,920.37 : x
  2. Step 2: Convert to fraction form
    901,801.34/1,244,504.62 = 493,920.37/x
  3. Step 3: Cross multiply
    901,801.34x = 1,244,504.62 × 493,920.37
  4. Step 4: Simplify right side
    901,801.34x = 614,686,182,377.11
  5. Step 5: Solve for x
    x = 614,686,182,377.11/901,801.34
  6. Step 6: Final answer
    x = 681,620.39

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Half scale
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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.