Home / 923,450.72-1,274,356.88-515,528.96

Finding the Fourth Proportional to 923,450.72, 1,274,356.88 and 515,528.96

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Solution

The fourth proportional to 923,450.72, 1,274,356.88 and 515,528.96 is: 711,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,450.72 : 1,274,356.88 = 515,528.96 : x
  2. Step 2: Convert to fraction form
    923,450.72/1,274,356.88 = 515,528.96/x
  3. Step 3: Cross multiply
    923,450.72x = 1,274,356.88 × 515,528.96
  4. Step 4: Simplify right side
    923,450.72x = 656,967,877,015.25
  5. Step 5: Solve for x
    x = 656,967,877,015.25/923,450.72
  6. Step 6: Final answer
    x = 711,427.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.