Home / 836,679.78-1,154,635.16-454,731.17

Finding the Fourth Proportional to 836,679.78, 1,154,635.16 and 454,731.17

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Solution

The fourth proportional to 836,679.78, 1,154,635.16 and 454,731.17 is: 627,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,679.78 : 1,154,635.16 = 454,731.17 : x
  2. Step 2: Convert to fraction form
    836,679.78/1,154,635.16 = 454,731.17/x
  3. Step 3: Cross multiply
    836,679.78x = 1,154,635.16 × 454,731.17
  4. Step 4: Simplify right side
    836,679.78x = 525,048,589,183.11
  5. Step 5: Solve for x
    x = 525,048,589,183.11/836,679.78
  6. Step 6: Final answer
    x = 627,538.28

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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.