Home / 1,371,663.72-1,893,552.31-913,540.68

Finding the Fourth Proportional to 1,371,663.72, 1,893,552.31 and 913,540.68

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Solution

The fourth proportional to 1,371,663.72, 1,893,552.31 and 913,540.68 is: 1,261,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,663.72 : 1,893,552.31 = 913,540.68 : x
  2. Step 2: Convert to fraction form
    1,371,663.72/1,893,552.31 = 913,540.68/x
  3. Step 3: Cross multiply
    1,371,663.72x = 1,893,552.31 × 913,540.68
  4. Step 4: Simplify right side
    1,371,663.72x = 1,729,837,064,892.97
  5. Step 5: Solve for x
    x = 1,729,837,064,892.97/1,371,663.72
  6. Step 6: Final answer
    x = 1,261,123.29

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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.