Home / 913,018-1,259,540.36-590,832.12

Finding the Fourth Proportional to 913,018, 1,259,540.36 and 590,832.12

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Solution

The fourth proportional to 913,018, 1,259,540.36 and 590,832.12 is: 815,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,018 : 1,259,540.36 = 590,832.12 : x
  2. Step 2: Convert to fraction form
    913,018/1,259,540.36 = 590,832.12/x
  3. Step 3: Cross multiply
    913,018x = 1,259,540.36 × 590,832.12
  4. Step 4: Simplify right side
    913,018x = 744,176,901,124.36
  5. Step 5: Solve for x
    x = 744,176,901,124.36/913,018
  6. Step 6: Final answer
    x = 815,073.64

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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.