Home / 492,342.03-679,335.80-301,220.01

Finding the Fourth Proportional to 492,342.03, 679,335.80 and 301,220.01

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Solution

The fourth proportional to 492,342.03, 679,335.80 and 301,220.01 is: 415,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,342.03 : 679,335.80 = 301,220.01 : x
  2. Step 2: Convert to fraction form
    492,342.03/679,335.80 = 301,220.01/x
  3. Step 3: Cross multiply
    492,342.03x = 679,335.80 × 301,220.01
  4. Step 4: Simplify right side
    492,342.03x = 204,629,534,963.26
  5. Step 5: Solve for x
    x = 204,629,534,963.26/492,342.03
  6. Step 6: Final answer
    x = 415,624.75

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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.