Home / 1,423,605.32-1,964,757.30-819,993.32

Finding the Fourth Proportional to 1,423,605.32, 1,964,757.30 and 819,993.32

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Solution

The fourth proportional to 1,423,605.32, 1,964,757.30 and 819,993.32 is: 1,131,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,605.32 : 1,964,757.30 = 819,993.32 : x
  2. Step 2: Convert to fraction form
    1,423,605.32/1,964,757.30 = 819,993.32/x
  3. Step 3: Cross multiply
    1,423,605.32x = 1,964,757.30 × 819,993.32
  4. Step 4: Simplify right side
    1,423,605.32x = 1,611,087,861,421.24
  5. Step 5: Solve for x
    x = 1,611,087,861,421.24/1,423,605.32
  6. Step 6: Final answer
    x = 1,131,695.59

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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.