Home / 1,252,407.77-1,728,326.07-679,447.94

Finding the Fourth Proportional to 1,252,407.77, 1,728,326.07 and 679,447.94

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Solution

The fourth proportional to 1,252,407.77, 1,728,326.07 and 679,447.94 is: 937,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,407.77 : 1,728,326.07 = 679,447.94 : x
  2. Step 2: Convert to fraction form
    1,252,407.77/1,728,326.07 = 679,447.94/x
  3. Step 3: Cross multiply
    1,252,407.77x = 1,728,326.07 × 679,447.94
  4. Step 4: Simplify right side
    1,252,407.77x = 1,174,307,587,060.49
  5. Step 5: Solve for x
    x = 1,174,307,587,060.49/1,252,407.77
  6. Step 6: Final answer
    x = 937,639.97

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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.