Home / 879,797.20-1,319,432.50-458,843.44

Finding the Fourth Proportional to 879,797.20, 1,319,432.50 and 458,843.44

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Solution

The fourth proportional to 879,797.20, 1,319,432.50 and 458,843.44 is: 688,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,797.20 : 1,319,432.50 = 458,843.44 : x
  2. Step 2: Convert to fraction form
    879,797.20/1,319,432.50 = 458,843.44/x
  3. Step 3: Cross multiply
    879,797.20x = 1,319,432.50 × 458,843.44
  4. Step 4: Simplify right side
    879,797.20x = 605,412,947,147.80
  5. Step 5: Solve for x
    x = 605,412,947,147.80/879,797.20
  6. Step 6: Final answer
    x = 688,127.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.