Home / 572,194.22-789,381.33-345,708.50

Finding the Fourth Proportional to 572,194.22, 789,381.33 and 345,708.50

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Solution

The fourth proportional to 572,194.22, 789,381.33 and 345,708.50 is: 476,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,194.22 : 789,381.33 = 345,708.50 : x
  2. Step 2: Convert to fraction form
    572,194.22/789,381.33 = 345,708.50/x
  3. Step 3: Cross multiply
    572,194.22x = 789,381.33 × 345,708.50
  4. Step 4: Simplify right side
    572,194.22x = 272,895,835,522.31
  5. Step 5: Solve for x
    x = 272,895,835,522.31/572,194.22
  6. Step 6: Final answer
    x = 476,928.68

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Why These Related Problems?

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