Home / 863,902.06-1,191,629.78-524,370.31

Finding the Fourth Proportional to 863,902.06, 1,191,629.78 and 524,370.31

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Solution

The fourth proportional to 863,902.06, 1,191,629.78 and 524,370.31 is: 723,294.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,902.06 : 1,191,629.78 = 524,370.31 : x
  2. Step 2: Convert to fraction form
    863,902.06/1,191,629.78 = 524,370.31/x
  3. Step 3: Cross multiply
    863,902.06x = 1,191,629.78 × 524,370.31
  4. Step 4: Simplify right side
    863,902.06x = 624,855,273,509.29
  5. Step 5: Solve for x
    x = 624,855,273,509.29/863,902.06
  6. Step 6: Final answer
    x = 723,294.11

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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.