Home / 492,101.29-679,083.15-301,114.68

Finding the Fourth Proportional to 492,101.29, 679,083.15 and 301,114.68

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Solution

The fourth proportional to 492,101.29, 679,083.15 and 301,114.68 is: 415,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,101.29 : 679,083.15 = 301,114.68 : x
  2. Step 2: Convert to fraction form
    492,101.29/679,083.15 = 301,114.68/x
  3. Step 3: Cross multiply
    492,101.29x = 679,083.15 × 301,114.68
  4. Step 4: Simplify right side
    492,101.29x = 204,481,905,405.64
  5. Step 5: Solve for x
    x = 204,481,905,405.64/492,101.29
  6. Step 6: Final answer
    x = 415,528.08

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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.