Home / 484,138.83-667,947.56-346,201.23

Finding the Fourth Proportional to 484,138.83, 667,947.56 and 346,201.23

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Solution

The fourth proportional to 484,138.83, 667,947.56 and 346,201.23 is: 477,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,138.83 : 667,947.56 = 346,201.23 : x
  2. Step 2: Convert to fraction form
    484,138.83/667,947.56 = 346,201.23/x
  3. Step 3: Cross multiply
    484,138.83x = 667,947.56 × 346,201.23
  4. Step 4: Simplify right side
    484,138.83x = 231,244,265,116.49
  5. Step 5: Solve for x
    x = 231,244,265,116.49/484,138.83
  6. Step 6: Final answer
    x = 477,640.40

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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.