Home / 786,799.44-1,180,199.16-254,320.47

Finding the Fourth Proportional to 786,799.44, 1,180,199.16 and 254,320.47

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Solution

The fourth proportional to 786,799.44, 1,180,199.16 and 254,320.47 is: 381,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,799.44 : 1,180,199.16 = 254,320.47 : x
  2. Step 2: Convert to fraction form
    786,799.44/1,180,199.16 = 254,320.47/x
  3. Step 3: Cross multiply
    786,799.44x = 1,180,199.16 × 254,320.47
  4. Step 4: Simplify right side
    786,799.44x = 300,148,805,064.81
  5. Step 5: Solve for x
    x = 300,148,805,064.81/786,799.44
  6. Step 6: Final answer
    x = 381,480.71

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.