Home / 1,252,555.34-1,728,537.45-679,606.88

Finding the Fourth Proportional to 1,252,555.34, 1,728,537.45 and 679,606.88

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Solution

The fourth proportional to 1,252,555.34, 1,728,537.45 and 679,606.88 is: 937,863.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,555.34 : 1,728,537.45 = 679,606.88 : x
  2. Step 2: Convert to fraction form
    1,252,555.34/1,728,537.45 = 679,606.88/x
  3. Step 3: Cross multiply
    1,252,555.34x = 1,728,537.45 × 679,606.88
  4. Step 4: Simplify right side
    1,252,555.34x = 1,174,725,943,357.66
  5. Step 5: Solve for x
    x = 1,174,725,943,357.66/1,252,555.34
  6. Step 6: Final answer
    x = 937,863.51

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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.