Home / 836,349.20-1,154,155.72-454,379.12

Finding the Fourth Proportional to 836,349.20, 1,154,155.72 and 454,379.12

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Solution

The fourth proportional to 836,349.20, 1,154,155.72 and 454,379.12 is: 627,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,349.20 : 1,154,155.72 = 454,379.12 : x
  2. Step 2: Convert to fraction form
    836,349.20/1,154,155.72 = 454,379.12/x
  3. Step 3: Cross multiply
    836,349.20x = 1,154,155.72 × 454,379.12
  4. Step 4: Simplify right side
    836,349.20x = 524,424,260,396.57
  5. Step 5: Solve for x
    x = 524,424,260,396.57/836,349.20
  6. Step 6: Final answer
    x = 627,039.83

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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.