Home / 1,252,348.57-1,728,240.54-679,388.74

Finding the Fourth Proportional to 1,252,348.57, 1,728,240.54 and 679,388.74

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Solution

The fourth proportional to 1,252,348.57, 1,728,240.54 and 679,388.74 is: 937,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,348.57 : 1,728,240.54 = 679,388.74 : x
  2. Step 2: Convert to fraction form
    1,252,348.57/1,728,240.54 = 679,388.74/x
  3. Step 3: Cross multiply
    1,252,348.57x = 1,728,240.54 × 679,388.74
  4. Step 4: Simplify right side
    1,252,348.57x = 1,174,147,165,740.56
  5. Step 5: Solve for x
    x = 1,174,147,165,740.56/1,252,348.57
  6. Step 6: Final answer
    x = 937,556.20

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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.