Home / 863,900.50-1,192,419.81-501,441.14

Finding the Fourth Proportional to 863,900.50, 1,192,419.81 and 501,441.14

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Solution

The fourth proportional to 863,900.50, 1,192,419.81 and 501,441.14 is: 692,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,900.50 : 1,192,419.81 = 501,441.14 : x
  2. Step 2: Convert to fraction form
    863,900.50/1,192,419.81 = 501,441.14/x
  3. Step 3: Cross multiply
    863,900.50x = 1,192,419.81 × 501,441.14
  4. Step 4: Simplify right side
    863,900.50x = 597,928,340,415.68
  5. Step 5: Solve for x
    x = 597,928,340,415.68/863,900.50
  6. Step 6: Final answer
    x = 692,126.40

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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.