Home / 1,115,137.92-1,538,897.68-605,840.16

Finding the Fourth Proportional to 1,115,137.92, 1,538,897.68 and 605,840.16

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Solution

The fourth proportional to 1,115,137.92, 1,538,897.68 and 605,840.16 is: 836,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,137.92 : 1,538,897.68 = 605,840.16 : x
  2. Step 2: Convert to fraction form
    1,115,137.92/1,538,897.68 = 605,840.16/x
  3. Step 3: Cross multiply
    1,115,137.92x = 1,538,897.68 × 605,840.16
  4. Step 4: Simplify right side
    1,115,137.92x = 932,326,016,674.83
  5. Step 5: Solve for x
    x = 932,326,016,674.83/1,115,137.92
  6. Step 6: Final answer
    x = 836,063.41

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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.