Home / 668,284.58-1,002,193.50-268,821.74

Finding the Fourth Proportional to 668,284.58, 1,002,193.50 and 268,821.74

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Solution

The fourth proportional to 668,284.58, 1,002,193.50 and 268,821.74 is: 403,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,284.58 : 1,002,193.50 = 268,821.74 : x
  2. Step 2: Convert to fraction form
    668,284.58/1,002,193.50 = 268,821.74/x
  3. Step 3: Cross multiply
    668,284.58x = 1,002,193.50 × 268,821.74
  4. Step 4: Simplify right side
    668,284.58x = 269,411,400,486.69
  5. Step 5: Solve for x
    x = 269,411,400,486.69/668,284.58
  6. Step 6: Final answer
    x = 403,138.74

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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.