Home / 482,020.74-722,885.16-144,971.88

Finding the Fourth Proportional to 482,020.74, 722,885.16 and 144,971.88

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Solution

The fourth proportional to 482,020.74, 722,885.16 and 144,971.88 is: 217,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,020.74 : 722,885.16 = 144,971.88 : x
  2. Step 2: Convert to fraction form
    482,020.74/722,885.16 = 144,971.88/x
  3. Step 3: Cross multiply
    482,020.74x = 722,885.16 × 144,971.88
  4. Step 4: Simplify right side
    482,020.74x = 104,798,020,669.30
  5. Step 5: Solve for x
    x = 104,798,020,669.30/482,020.74
  6. Step 6: Final answer
    x = 217,413.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.