Home / 705,997.18-974,270.28-383,709.23

Finding the Fourth Proportional to 705,997.18, 974,270.28 and 383,709.23

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Solution

The fourth proportional to 705,997.18, 974,270.28 and 383,709.23 is: 529,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,997.18 : 974,270.28 = 383,709.23 : x
  2. Step 2: Convert to fraction form
    705,997.18/974,270.28 = 383,709.23/x
  3. Step 3: Cross multiply
    705,997.18x = 974,270.28 × 383,709.23
  4. Step 4: Simplify right side
    705,997.18x = 373,836,498,950.68
  5. Step 5: Solve for x
    x = 373,836,498,950.68/705,997.18
  6. Step 6: Final answer
    x = 529,515.57

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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.