Home / 572,344.40-789,795.73-317,675.54

Finding the Fourth Proportional to 572,344.40, 789,795.73 and 317,675.54

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Solution

The fourth proportional to 572,344.40, 789,795.73 and 317,675.54 is: 438,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,344.40 : 789,795.73 = 317,675.54 : x
  2. Step 2: Convert to fraction form
    572,344.40/789,795.73 = 317,675.54/x
  3. Step 3: Cross multiply
    572,344.40x = 789,795.73 × 317,675.54
  4. Step 4: Simplify right side
    572,344.40x = 250,898,785,017.44
  5. Step 5: Solve for x
    x = 250,898,785,017.44/572,344.40
  6. Step 6: Final answer
    x = 438,370.30

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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.