Home / 566,828.70-782,258.97-312,179.82

Finding the Fourth Proportional to 566,828.70, 782,258.97 and 312,179.82

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Solution

The fourth proportional to 566,828.70, 782,258.97 and 312,179.82 is: 430,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,828.70 : 782,258.97 = 312,179.82 : x
  2. Step 2: Convert to fraction form
    566,828.70/782,258.97 = 312,179.82/x
  3. Step 3: Cross multiply
    566,828.70x = 782,258.97 × 312,179.82
  4. Step 4: Simplify right side
    566,828.70x = 244,205,464,447.99
  5. Step 5: Solve for x
    x = 244,205,464,447.99/566,828.70
  6. Step 6: Final answer
    x = 430,827.63

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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.