Home / 521,868.92-782,901.72-166,787.60

Finding the Fourth Proportional to 521,868.92, 782,901.72 and 166,787.60

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Solution

The fourth proportional to 521,868.92, 782,901.72 and 166,787.60 is: 250,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,868.92 : 782,901.72 = 166,787.60 : x
  2. Step 2: Convert to fraction form
    521,868.92/782,901.72 = 166,787.60/x
  3. Step 3: Cross multiply
    521,868.92x = 782,901.72 × 166,787.60
  4. Step 4: Simplify right side
    521,868.92x = 130,578,298,914.67
  5. Step 5: Solve for x
    x = 130,578,298,914.67/521,868.92
  6. Step 6: Final answer
    x = 250,212.83

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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.