Home / 863,205.36-1,294,963.56-264,155.76

Finding the Fourth Proportional to 863,205.36, 1,294,963.56 and 264,155.76

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Solution

The fourth proportional to 863,205.36, 1,294,963.56 and 264,155.76 is: 396,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,205.36 : 1,294,963.56 = 264,155.76 : x
  2. Step 2: Convert to fraction form
    863,205.36/1,294,963.56 = 264,155.76/x
  3. Step 3: Cross multiply
    863,205.36x = 1,294,963.56 × 264,155.76
  4. Step 4: Simplify right side
    863,205.36x = 342,072,083,364.11
  5. Step 5: Solve for x
    x = 342,072,083,364.11/863,205.36
  6. Step 6: Final answer
    x = 396,281.23

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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.