Home / 836,634.56-1,154,568.15-454,661.64

Finding the Fourth Proportional to 836,634.56, 1,154,568.15 and 454,661.64

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Solution

The fourth proportional to 836,634.56, 1,154,568.15 and 454,661.64 is: 627,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,634.56 : 1,154,568.15 = 454,661.64 : x
  2. Step 2: Convert to fraction form
    836,634.56/1,154,568.15 = 454,661.64/x
  3. Step 3: Cross multiply
    836,634.56x = 1,154,568.15 × 454,661.64
  4. Step 4: Simplify right side
    836,634.56x = 524,937,848,570.77
  5. Step 5: Solve for x
    x = 524,937,848,570.77/836,634.56
  6. Step 6: Final answer
    x = 627,439.84

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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.