Home / 836,889.21-1,154,906.23-454,918.73

Finding the Fourth Proportional to 836,889.21, 1,154,906.23 and 454,918.73

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Solution

The fourth proportional to 836,889.21, 1,154,906.23 and 454,918.73 is: 627,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,889.21 : 1,154,906.23 = 454,918.73 : x
  2. Step 2: Convert to fraction form
    836,889.21/1,154,906.23 = 454,918.73/x
  3. Step 3: Cross multiply
    836,889.21x = 1,154,906.23 × 454,918.73
  4. Step 4: Simplify right side
    836,889.21x = 525,388,475,420.69
  5. Step 5: Solve for x
    x = 525,388,475,420.69/836,889.21
  6. Step 6: Final answer
    x = 627,787.37

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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.