Home / 468,128.33-646,463.26-442,625.03

Finding the Fourth Proportional to 468,128.33, 646,463.26 and 442,625.03

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Solution

The fourth proportional to 468,128.33, 646,463.26 and 442,625.03 is: 611,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,128.33 : 646,463.26 = 442,625.03 : x
  2. Step 2: Convert to fraction form
    468,128.33/646,463.26 = 442,625.03/x
  3. Step 3: Cross multiply
    468,128.33x = 646,463.26 × 442,625.03
  4. Step 4: Simplify right side
    468,128.33x = 286,140,819,380.60
  5. Step 5: Solve for x
    x = 286,140,819,380.60/468,128.33
  6. Step 6: Final answer
    x = 611,244.39

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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.