Home / 893,839.84-1,233,523.28-485,969.12

Finding the Fourth Proportional to 893,839.84, 1,233,523.28 and 485,969.12

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Solution

The fourth proportional to 893,839.84, 1,233,523.28 and 485,969.12 is: 670,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,839.84 : 1,233,523.28 = 485,969.12 : x
  2. Step 2: Convert to fraction form
    893,839.84/1,233,523.28 = 485,969.12/x
  3. Step 3: Cross multiply
    893,839.84x = 1,233,523.28 × 485,969.12
  4. Step 4: Simplify right side
    893,839.84x = 599,454,222,881.11
  5. Step 5: Solve for x
    x = 599,454,222,881.11/893,839.84
  6. Step 6: Final answer
    x = 670,650.60

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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.