Home / 926,954.50-1,279,197.21-503,018.50

Finding the Fourth Proportional to 926,954.50, 1,279,197.21 and 503,018.50

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Solution

The fourth proportional to 926,954.50, 1,279,197.21 and 503,018.50 is: 694,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,954.50 : 1,279,197.21 = 503,018.50 : x
  2. Step 2: Convert to fraction form
    926,954.50/1,279,197.21 = 503,018.50/x
  3. Step 3: Cross multiply
    926,954.50x = 1,279,197.21 × 503,018.50
  4. Step 4: Simplify right side
    926,954.50x = 643,459,861,778.39
  5. Step 5: Solve for x
    x = 643,459,861,778.39/926,954.50
  6. Step 6: Final answer
    x = 694,165.53

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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.