Home / 1,371,659.47-1,893,546.44-913,536.43

Finding the Fourth Proportional to 1,371,659.47, 1,893,546.44 and 913,536.43

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Solution

The fourth proportional to 1,371,659.47, 1,893,546.44 and 913,536.43 is: 1,261,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,659.47 : 1,893,546.44 = 913,536.43 : x
  2. Step 2: Convert to fraction form
    1,371,659.47/1,893,546.44 = 913,536.43/x
  3. Step 3: Cross multiply
    1,371,659.47x = 1,893,546.44 × 913,536.43
  4. Step 4: Simplify right side
    1,371,659.47x = 1,729,823,654,836.81
  5. Step 5: Solve for x
    x = 1,729,823,654,836.81/1,371,659.47
  6. Step 6: Final answer
    x = 1,261,117.42

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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.