Home / 679,743.38-1,019,397.39-224,232.68

Finding the Fourth Proportional to 679,743.38, 1,019,397.39 and 224,232.68

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Solution

The fourth proportional to 679,743.38, 1,019,397.39 and 224,232.68 is: 336,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,743.38 : 1,019,397.39 = 224,232.68 : x
  2. Step 2: Convert to fraction form
    679,743.38/1,019,397.39 = 224,232.68/x
  3. Step 3: Cross multiply
    679,743.38x = 1,019,397.39 × 224,232.68
  4. Step 4: Simplify right side
    679,743.38x = 228,582,203,647.72
  5. Step 5: Solve for x
    x = 228,582,203,647.72/679,743.38
  6. Step 6: Final answer
    x = 336,277.21

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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.