Home / 893,986.50-1,233,701.38-491,578.50

Finding the Fourth Proportional to 893,986.50, 1,233,701.38 and 491,578.50

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Solution

The fourth proportional to 893,986.50, 1,233,701.38 and 491,578.50 is: 678,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,986.50 : 1,233,701.38 = 491,578.50 : x
  2. Step 2: Convert to fraction form
    893,986.50/1,233,701.38 = 491,578.50/x
  3. Step 3: Cross multiply
    893,986.50x = 1,233,701.38 × 491,578.50
  4. Step 4: Simplify right side
    893,986.50x = 606,461,073,828.33
  5. Step 5: Solve for x
    x = 606,461,073,828.33/893,986.50
  6. Step 6: Final answer
    x = 678,378.34

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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.