Home / 1,227,049.52-1,693,068.04-774,078

Finding the Fourth Proportional to 1,227,049.52, 1,693,068.04 and 774,078

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Solution

The fourth proportional to 1,227,049.52, 1,693,068.04 and 774,078 is: 1,068,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,049.52 : 1,693,068.04 = 774,078 : x
  2. Step 2: Convert to fraction form
    1,227,049.52/1,693,068.04 = 774,078/x
  3. Step 3: Cross multiply
    1,227,049.52x = 1,693,068.04 × 774,078
  4. Step 4: Simplify right side
    1,227,049.52x = 1,310,566,722,267.12
  5. Step 5: Solve for x
    x = 1,310,566,722,267.12/1,227,049.52
  6. Step 6: Final answer
    x = 1,068,063.43

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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.