Home / 571,784.91-789,073.70-313,675.04

Finding the Fourth Proportional to 571,784.91, 789,073.70 and 313,675.04

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Solution

The fourth proportional to 571,784.91, 789,073.70 and 313,675.04 is: 432,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,784.91 : 789,073.70 = 313,675.04 : x
  2. Step 2: Convert to fraction form
    571,784.91/789,073.70 = 313,675.04/x
  3. Step 3: Cross multiply
    571,784.91x = 789,073.70 × 313,675.04
  4. Step 4: Simplify right side
    571,784.91x = 247,512,718,896.70
  5. Step 5: Solve for x
    x = 247,512,718,896.70/571,784.91
  6. Step 6: Final answer
    x = 432,877.32

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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.