Home / 836,635.05-1,154,563.71-454,661.91

Finding the Fourth Proportional to 836,635.05, 1,154,563.71 and 454,661.91

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Solution

The fourth proportional to 836,635.05, 1,154,563.71 and 454,661.91 is: 627,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,635.05 : 1,154,563.71 = 454,661.91 : x
  2. Step 2: Convert to fraction form
    836,635.05/1,154,563.71 = 454,661.91/x
  3. Step 3: Cross multiply
    836,635.05x = 1,154,563.71 × 454,661.91
  4. Step 4: Simplify right side
    836,635.05x = 524,936,141,605.29
  5. Step 5: Solve for x
    x = 524,936,141,605.29/836,635.05
  6. Step 6: Final answer
    x = 627,437.43

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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.