Home / 492,611.04-738,918.36-137,624.49

Finding the Fourth Proportional to 492,611.04, 738,918.36 and 137,624.49

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Solution

The fourth proportional to 492,611.04, 738,918.36 and 137,624.49 is: 206,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,611.04 : 738,918.36 = 137,624.49 : x
  2. Step 2: Convert to fraction form
    492,611.04/738,918.36 = 137,624.49/x
  3. Step 3: Cross multiply
    492,611.04x = 738,918.36 × 137,624.49
  4. Step 4: Simplify right side
    492,611.04x = 101,693,262,446.64
  5. Step 5: Solve for x
    x = 101,693,262,446.64/492,611.04
  6. Step 6: Final answer
    x = 206,437.24

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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.