Home / 893,834.18-1,233,515.03-485,963.45

Finding the Fourth Proportional to 893,834.18, 1,233,515.03 and 485,963.45

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Solution

The fourth proportional to 893,834.18, 1,233,515.03 and 485,963.45 is: 670,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,834.18 : 1,233,515.03 = 485,963.45 : x
  2. Step 2: Convert to fraction form
    893,834.18/1,233,515.03 = 485,963.45/x
  3. Step 3: Cross multiply
    893,834.18x = 1,233,515.03 × 485,963.45
  4. Step 4: Simplify right side
    893,834.18x = 599,443,211,008.26
  5. Step 5: Solve for x
    x = 599,443,211,008.26/893,834.18
  6. Step 6: Final answer
    x = 670,642.53

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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.