Home / 620,905.64-930,579.33-265,501.73

Finding the Fourth Proportional to 620,905.64, 930,579.33 and 265,501.73

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Solution

The fourth proportional to 620,905.64, 930,579.33 and 265,501.73 is: 397,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,905.64 : 930,579.33 = 265,501.73 : x
  2. Step 2: Convert to fraction form
    620,905.64/930,579.33 = 265,501.73/x
  3. Step 3: Cross multiply
    620,905.64x = 930,579.33 × 265,501.73
  4. Step 4: Simplify right side
    620,905.64x = 247,070,420,689.73
  5. Step 5: Solve for x
    x = 247,070,420,689.73/620,905.64
  6. Step 6: Final answer
    x = 397,919.44

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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.