Home / 1,268,192.84-1,901,736.29-479,671.88

Finding the Fourth Proportional to 1,268,192.84, 1,901,736.29 and 479,671.88

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Solution

The fourth proportional to 1,268,192.84, 1,901,736.29 and 479,671.88 is: 719,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,192.84 : 1,901,736.29 = 479,671.88 : x
  2. Step 2: Convert to fraction form
    1,268,192.84/1,901,736.29 = 479,671.88/x
  3. Step 3: Cross multiply
    1,268,192.84x = 1,901,736.29 × 479,671.88
  4. Step 4: Simplify right side
    1,268,192.84x = 912,209,413,179.02
  5. Step 5: Solve for x
    x = 912,209,413,179.02/1,268,192.84
  6. Step 6: Final answer
    x = 719,298.67

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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.