Home / 641,577.40-962,366.10-168,310.60

Finding the Fourth Proportional to 641,577.40, 962,366.10 and 168,310.60

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Solution

The fourth proportional to 641,577.40, 962,366.10 and 168,310.60 is: 252,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,577.40 : 962,366.10 = 168,310.60 : x
  2. Step 2: Convert to fraction form
    641,577.40/962,366.10 = 168,310.60/x
  3. Step 3: Cross multiply
    641,577.40x = 962,366.10 × 168,310.60
  4. Step 4: Simplify right side
    641,577.40x = 161,976,415,710.66
  5. Step 5: Solve for x
    x = 161,976,415,710.66/641,577.40
  6. Step 6: Final answer
    x = 252,465.90

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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.