Home / 867,678.20-1,300,205.10-733,833.80

Finding the Fourth Proportional to 867,678.20, 1,300,205.10 and 733,833.80

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Solution

The fourth proportional to 867,678.20, 1,300,205.10 and 733,833.80 is: 1,099,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,678.20 : 1,300,205.10 = 733,833.80 : x
  2. Step 2: Convert to fraction form
    867,678.20/1,300,205.10 = 733,833.80/x
  3. Step 3: Cross multiply
    867,678.20x = 1,300,205.10 × 733,833.80
  4. Step 4: Simplify right side
    867,678.20x = 954,134,449,312.38
  5. Step 5: Solve for x
    x = 954,134,449,312.38/867,678.20
  6. Step 6: Final answer
    x = 1,099,640.91

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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.