Home / 572,140.92-789,564.53-314,042.04

Finding the Fourth Proportional to 572,140.92, 789,564.53 and 314,042.04

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Solution

The fourth proportional to 572,140.92, 789,564.53 and 314,042.04 is: 433,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,140.92 : 789,564.53 = 314,042.04 : x
  2. Step 2: Convert to fraction form
    572,140.92/789,564.53 = 314,042.04/x
  3. Step 3: Cross multiply
    572,140.92x = 789,564.53 × 314,042.04
  4. Step 4: Simplify right side
    572,140.92x = 247,956,455,712.84
  5. Step 5: Solve for x
    x = 247,956,455,712.84/572,140.92
  6. Step 6: Final answer
    x = 433,383.54

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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.