Home / 525,669.12-789,064.80-226,297.92

Finding the Fourth Proportional to 525,669.12, 789,064.80 and 226,297.92

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Solution

The fourth proportional to 525,669.12, 789,064.80 and 226,297.92 is: 339,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,669.12 : 789,064.80 = 226,297.92 : x
  2. Step 2: Convert to fraction form
    525,669.12/789,064.80 = 226,297.92/x
  3. Step 3: Cross multiply
    525,669.12x = 789,064.80 × 226,297.92
  4. Step 4: Simplify right side
    525,669.12x = 178,563,722,985.22
  5. Step 5: Solve for x
    x = 178,563,722,985.22/525,669.12
  6. Step 6: Final answer
    x = 339,688.44

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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.