Home / 893,135.94-1,232,541.59-485,245.86

Finding the Fourth Proportional to 893,135.94, 1,232,541.59 and 485,245.86

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Solution

The fourth proportional to 893,135.94, 1,232,541.59 and 485,245.86 is: 669,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,135.94 : 1,232,541.59 = 485,245.86 : x
  2. Step 2: Convert to fraction form
    893,135.94/1,232,541.59 = 485,245.86/x
  3. Step 3: Cross multiply
    893,135.94x = 1,232,541.59 × 485,245.86
  4. Step 4: Simplify right side
    893,135.94x = 598,085,701,399.09
  5. Step 5: Solve for x
    x = 598,085,701,399.09/893,135.94
  6. Step 6: Final answer
    x = 669,646.89

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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.