Home / 1,286,691.46-1,930,053.62-340,054

Finding the Fourth Proportional to 1,286,691.46, 1,930,053.62 and 340,054

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Solution

The fourth proportional to 1,286,691.46, 1,930,053.62 and 340,054 is: 510,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,691.46 : 1,930,053.62 = 340,054 : x
  2. Step 2: Convert to fraction form
    1,286,691.46/1,930,053.62 = 340,054/x
  3. Step 3: Cross multiply
    1,286,691.46x = 1,930,053.62 × 340,054
  4. Step 4: Simplify right side
    1,286,691.46x = 656,322,453,695.48
  5. Step 5: Solve for x
    x = 656,322,453,695.48/1,286,691.46
  6. Step 6: Final answer
    x = 510,085.34

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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.