Home / 807,178.50-1,113,906.60-467,843.58

Finding the Fourth Proportional to 807,178.50, 1,113,906.60 and 467,843.58

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Solution

The fourth proportional to 807,178.50, 1,113,906.60 and 467,843.58 is: 645,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,178.50 : 1,113,906.60 = 467,843.58 : x
  2. Step 2: Convert to fraction form
    807,178.50/1,113,906.60 = 467,843.58/x
  3. Step 3: Cross multiply
    807,178.50x = 1,113,906.60 × 467,843.58
  4. Step 4: Simplify right side
    807,178.50x = 521,134,051,529.63
  5. Step 5: Solve for x
    x = 521,134,051,529.63/807,178.50
  6. Step 6: Final answer
    x = 645,624.30

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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.