Home / 893,836.60-1,233,518.82-485,965.86

Finding the Fourth Proportional to 893,836.60, 1,233,518.82 and 485,965.86

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Solution

The fourth proportional to 893,836.60, 1,233,518.82 and 485,965.86 is: 670,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,836.60 : 1,233,518.82 = 485,965.86 : x
  2. Step 2: Convert to fraction form
    893,836.60/1,233,518.82 = 485,965.86/x
  3. Step 3: Cross multiply
    893,836.60x = 1,233,518.82 × 485,965.86
  4. Step 4: Simplify right side
    893,836.60x = 599,448,034,187.49
  5. Step 5: Solve for x
    x = 599,448,034,187.49/893,836.60
  6. Step 6: Final answer
    x = 670,646.10

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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.