Home / 489,045.50-733,570.79-222,619.70

Finding the Fourth Proportional to 489,045.50, 733,570.79 and 222,619.70

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Solution

The fourth proportional to 489,045.50, 733,570.79 and 222,619.70 is: 333,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,045.50 : 733,570.79 = 222,619.70 : x
  2. Step 2: Convert to fraction form
    489,045.50/733,570.79 = 222,619.70/x
  3. Step 3: Cross multiply
    489,045.50x = 733,570.79 × 222,619.70
  4. Step 4: Simplify right side
    489,045.50x = 163,307,304,417.61
  5. Step 5: Solve for x
    x = 163,307,304,417.61/489,045.50
  6. Step 6: Final answer
    x = 333,930.69

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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.