Home / 863,900.28-1,192,419.51-501,440.91

Finding the Fourth Proportional to 863,900.28, 1,192,419.51 and 501,440.91

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Solution

The fourth proportional to 863,900.28, 1,192,419.51 and 501,440.91 is: 692,126.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,900.28 : 1,192,419.51 = 501,440.91 : x
  2. Step 2: Convert to fraction form
    863,900.28/1,192,419.51 = 501,440.91/x
  3. Step 3: Cross multiply
    863,900.28x = 1,192,419.51 × 501,440.91
  4. Step 4: Simplify right side
    863,900.28x = 597,927,924,551.54
  5. Step 5: Solve for x
    x = 597,927,924,551.54/863,900.28
  6. Step 6: Final answer
    x = 692,126.09

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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.