Home / 1,252,479.92-1,728,425.40-679,519.94

Finding the Fourth Proportional to 1,252,479.92, 1,728,425.40 and 679,519.94

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Solution

The fourth proportional to 1,252,479.92, 1,728,425.40 and 679,519.94 is: 937,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,479.92 : 1,728,425.40 = 679,519.94 : x
  2. Step 2: Convert to fraction form
    1,252,479.92/1,728,425.40 = 679,519.94/x
  3. Step 3: Cross multiply
    1,252,479.92x = 1,728,425.40 × 679,519.94
  4. Step 4: Simplify right side
    1,252,479.92x = 1,174,499,524,102.48
  5. Step 5: Solve for x
    x = 1,174,499,524,102.48/1,252,479.92
  6. Step 6: Final answer
    x = 937,739.20

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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.