Home / 785,170.64-1,177,738.68-194,194.64

Finding the Fourth Proportional to 785,170.64, 1,177,738.68 and 194,194.64

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Solution

The fourth proportional to 785,170.64, 1,177,738.68 and 194,194.64 is: 291,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,170.64 : 1,177,738.68 = 194,194.64 : x
  2. Step 2: Convert to fraction form
    785,170.64/1,177,738.68 = 194,194.64/x
  3. Step 3: Cross multiply
    785,170.64x = 1,177,738.68 × 194,194.64
  4. Step 4: Simplify right side
    785,170.64x = 228,710,538,976.68
  5. Step 5: Solve for x
    x = 228,710,538,976.68/785,170.64
  6. Step 6: Final answer
    x = 291,287.69

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Double scale
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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.