Home / 641,475.57-962,427.12-215,053.56

Finding the Fourth Proportional to 641,475.57, 962,427.12 and 215,053.56

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Solution

The fourth proportional to 641,475.57, 962,427.12 and 215,053.56 is: 322,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,475.57 : 962,427.12 = 215,053.56 : x
  2. Step 2: Convert to fraction form
    641,475.57/962,427.12 = 215,053.56/x
  3. Step 3: Cross multiply
    641,475.57x = 962,427.12 × 215,053.56
  4. Step 4: Simplify right side
    641,475.57x = 206,973,378,396.55
  5. Step 5: Solve for x
    x = 206,973,378,396.55/641,475.57
  6. Step 6: Final answer
    x = 322,652.00

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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.