Home / 584,198.40-876,643.20-426,028.80

Finding the Fourth Proportional to 584,198.40, 876,643.20 and 426,028.80

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Solution

The fourth proportional to 584,198.40, 876,643.20 and 426,028.80 is: 639,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,198.40 : 876,643.20 = 426,028.80 : x
  2. Step 2: Convert to fraction form
    584,198.40/876,643.20 = 426,028.80/x
  3. Step 3: Cross multiply
    584,198.40x = 876,643.20 × 426,028.80
  4. Step 4: Simplify right side
    584,198.40x = 373,475,250,524.16
  5. Step 5: Solve for x
    x = 373,475,250,524.16/584,198.40
  6. Step 6: Final answer
    x = 639,295.23

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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.