Home / 744,425.80-1,027,257.06-404,886.76

Finding the Fourth Proportional to 744,425.80, 1,027,257.06 and 404,886.76

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Solution

The fourth proportional to 744,425.80, 1,027,257.06 and 404,886.76 is: 558,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,425.80 : 1,027,257.06 = 404,886.76 : x
  2. Step 2: Convert to fraction form
    744,425.80/1,027,257.06 = 404,886.76/x
  3. Step 3: Cross multiply
    744,425.80x = 1,027,257.06 × 404,886.76
  4. Step 4: Simplify right side
    744,425.80x = 415,922,782,710.53
  5. Step 5: Solve for x
    x = 415,922,782,710.53/744,425.80
  6. Step 6: Final answer
    x = 558,716.24

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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.