Home / 856,601.70-1,284,902.55-540,032.10

Finding the Fourth Proportional to 856,601.70, 1,284,902.55 and 540,032.10

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Solution

The fourth proportional to 856,601.70, 1,284,902.55 and 540,032.10 is: 810,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,601.70 : 1,284,902.55 = 540,032.10 : x
  2. Step 2: Convert to fraction form
    856,601.70/1,284,902.55 = 540,032.10/x
  3. Step 3: Cross multiply
    856,601.70x = 1,284,902.55 × 540,032.10
  4. Step 4: Simplify right side
    856,601.70x = 693,888,622,371.86
  5. Step 5: Solve for x
    x = 693,888,622,371.86/856,601.70
  6. Step 6: Final answer
    x = 810,048.15

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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.