Home / 566,828.20-782,258.28-312,179.32

Finding the Fourth Proportional to 566,828.20, 782,258.28 and 312,179.32

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Solution

The fourth proportional to 566,828.20, 782,258.28 and 312,179.32 is: 430,826.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,828.20 : 782,258.28 = 312,179.32 : x
  2. Step 2: Convert to fraction form
    566,828.20/782,258.28 = 312,179.32/x
  3. Step 3: Cross multiply
    566,828.20x = 782,258.28 × 312,179.32
  4. Step 4: Simplify right side
    566,828.20x = 244,204,854,003.48
  5. Step 5: Solve for x
    x = 244,204,854,003.48/566,828.20
  6. Step 6: Final answer
    x = 430,826.94

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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.