Home / 705,932.28-974,195.79-383,647.47

Finding the Fourth Proportional to 705,932.28, 974,195.79 and 383,647.47

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Solution

The fourth proportional to 705,932.28, 974,195.79 and 383,647.47 is: 529,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,932.28 : 974,195.79 = 383,647.47 : x
  2. Step 2: Convert to fraction form
    705,932.28/974,195.79 = 383,647.47/x
  3. Step 3: Cross multiply
    705,932.28x = 974,195.79 × 383,647.47
  4. Step 4: Simplify right side
    705,932.28x = 373,747,750,118.15
  5. Step 5: Solve for x
    x = 373,747,750,118.15/705,932.28
  6. Step 6: Final answer
    x = 529,438.53

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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.