Home / 452,071.67-678,297.27-281,436.09

Finding the Fourth Proportional to 452,071.67, 678,297.27 and 281,436.09

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Solution

The fourth proportional to 452,071.67, 678,297.27 and 281,436.09 is: 422,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,071.67 : 678,297.27 = 281,436.09 : x
  2. Step 2: Convert to fraction form
    452,071.67/678,297.27 = 281,436.09/x
  3. Step 3: Cross multiply
    452,071.67x = 678,297.27 × 281,436.09
  4. Step 4: Simplify right side
    452,071.67x = 190,897,326,727.81
  5. Step 5: Solve for x
    x = 190,897,326,727.81/452,071.67
  6. Step 6: Final answer
    x = 422,272.27

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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.