Home / 836,341.20-1,154,144.70-454,371.12

Finding the Fourth Proportional to 836,341.20, 1,154,144.70 and 454,371.12

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Solution

The fourth proportional to 836,341.20, 1,154,144.70 and 454,371.12 is: 627,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,341.20 : 1,154,144.70 = 454,371.12 : x
  2. Step 2: Convert to fraction form
    836,341.20/1,154,144.70 = 454,371.12/x
  3. Step 3: Cross multiply
    836,341.20x = 1,154,144.70 × 454,371.12
  4. Step 4: Simplify right side
    836,341.20x = 524,410,019,981.06
  5. Step 5: Solve for x
    x = 524,410,019,981.06/836,341.20
  6. Step 6: Final answer
    x = 627,028.80

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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.