Home / 461,258.96-691,972.07-208,658.43

Finding the Fourth Proportional to 461,258.96, 691,972.07 and 208,658.43

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Solution

The fourth proportional to 461,258.96, 691,972.07 and 208,658.43 is: 313,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,258.96 : 691,972.07 = 208,658.43 : x
  2. Step 2: Convert to fraction form
    461,258.96/691,972.07 = 208,658.43/x
  3. Step 3: Cross multiply
    461,258.96x = 691,972.07 × 208,658.43
  4. Step 4: Simplify right side
    461,258.96x = 144,385,804,686.76
  5. Step 5: Solve for x
    x = 144,385,804,686.76/461,258.96
  6. Step 6: Final answer
    x = 313,025.48

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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.