Home / 641,673.78-962,146.19-262,150.17

Finding the Fourth Proportional to 641,673.78, 962,146.19 and 262,150.17

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Solution

The fourth proportional to 641,673.78, 962,146.19 and 262,150.17 is: 393,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,673.78 : 962,146.19 = 262,150.17 : x
  2. Step 2: Convert to fraction form
    641,673.78/962,146.19 = 262,150.17/x
  3. Step 3: Cross multiply
    641,673.78x = 962,146.19 × 262,150.17
  4. Step 4: Simplify right side
    641,673.78x = 252,226,785,962.60
  5. Step 5: Solve for x
    x = 252,226,785,962.60/641,673.78
  6. Step 6: Final answer
    x = 393,076.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.