Home / 783,199.28-1,174,799.81-214,585.20

Finding the Fourth Proportional to 783,199.28, 1,174,799.81 and 214,585.20

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Solution

The fourth proportional to 783,199.28, 1,174,799.81 and 214,585.20 is: 321,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,199.28 : 1,174,799.81 = 214,585.20 : x
  2. Step 2: Convert to fraction form
    783,199.28/1,174,799.81 = 214,585.20/x
  3. Step 3: Cross multiply
    783,199.28x = 1,174,799.81 × 214,585.20
  4. Step 4: Simplify right side
    783,199.28x = 252,094,652,725.28
  5. Step 5: Solve for x
    x = 252,094,652,725.28/783,199.28
  6. Step 6: Final answer
    x = 321,878.04

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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.