Home / 572,019.96-789,385.38-313,901.24

Finding the Fourth Proportional to 572,019.96, 789,385.38 and 313,901.24

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Solution

The fourth proportional to 572,019.96, 789,385.38 and 313,901.24 is: 433,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,019.96 : 789,385.38 = 313,901.24 : x
  2. Step 2: Convert to fraction form
    572,019.96/789,385.38 = 313,901.24/x
  3. Step 3: Cross multiply
    572,019.96x = 789,385.38 × 313,901.24
  4. Step 4: Simplify right side
    572,019.96x = 247,789,049,619.87
  5. Step 5: Solve for x
    x = 247,789,049,619.87/572,019.96
  6. Step 6: Final answer
    x = 433,182.52

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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.