Home / 836,424.10-1,154,266.50-454,450.78

Finding the Fourth Proportional to 836,424.10, 1,154,266.50 and 454,450.78

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Solution

The fourth proportional to 836,424.10, 1,154,266.50 and 454,450.78 is: 627,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,424.10 : 1,154,266.50 = 454,450.78 : x
  2. Step 2: Convert to fraction form
    836,424.10/1,154,266.50 = 454,450.78/x
  3. Step 3: Cross multiply
    836,424.10x = 1,154,266.50 × 454,450.78
  4. Step 4: Simplify right side
    836,424.10x = 524,557,311,252.87
  5. Step 5: Solve for x
    x = 524,557,311,252.87/836,424.10
  6. Step 6: Final answer
    x = 627,142.75

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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.