Home / 571,784.32-789,156.84-317,217.52

Finding the Fourth Proportional to 571,784.32, 789,156.84 and 317,217.52

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Solution

The fourth proportional to 571,784.32, 789,156.84 and 317,217.52 is: 437,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,784.32 : 789,156.84 = 317,217.52 : x
  2. Step 2: Convert to fraction form
    571,784.32/789,156.84 = 317,217.52/x
  3. Step 3: Cross multiply
    571,784.32x = 789,156.84 × 317,217.52
  4. Step 4: Simplify right side
    571,784.32x = 250,334,375,675.84
  5. Step 5: Solve for x
    x = 250,334,375,675.84/571,784.32
  6. Step 6: Final answer
    x = 437,812.59

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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.