Home / 1,336,384.11-2,005,172.21-616,338.66

Finding the Fourth Proportional to 1,336,384.11, 2,005,172.21 and 616,338.66

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Solution

The fourth proportional to 1,336,384.11, 2,005,172.21 and 616,338.66 is: 924,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,384.11 : 2,005,172.21 = 616,338.66 : x
  2. Step 2: Convert to fraction form
    1,336,384.11/2,005,172.21 = 616,338.66/x
  3. Step 3: Cross multiply
    1,336,384.11x = 2,005,172.21 × 616,338.66
  4. Step 4: Simplify right side
    1,336,384.11x = 1,235,865,149,898.95
  5. Step 5: Solve for x
    x = 1,235,865,149,898.95/1,336,384.11
  6. Step 6: Final answer
    x = 924,782.88

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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.