Home / 838,081.32-1,156,530.06-456,099.90

Finding the Fourth Proportional to 838,081.32, 1,156,530.06 and 456,099.90

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Solution

The fourth proportional to 838,081.32, 1,156,530.06 and 456,099.90 is: 629,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,081.32 : 1,156,530.06 = 456,099.90 : x
  2. Step 2: Convert to fraction form
    838,081.32/1,156,530.06 = 456,099.90/x
  3. Step 3: Cross multiply
    838,081.32x = 1,156,530.06 × 456,099.90
  4. Step 4: Simplify right side
    838,081.32x = 527,493,244,712.99
  5. Step 5: Solve for x
    x = 527,493,244,712.99/838,081.32
  6. Step 6: Final answer
    x = 629,405.80

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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.