Home / 856,851.72-1,277,617.10-833,310.54

Finding the Fourth Proportional to 856,851.72, 1,277,617.10 and 833,310.54

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Solution

The fourth proportional to 856,851.72, 1,277,617.10 and 833,310.54 is: 1,242,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,851.72 : 1,277,617.10 = 833,310.54 : x
  2. Step 2: Convert to fraction form
    856,851.72/1,277,617.10 = 833,310.54/x
  3. Step 3: Cross multiply
    856,851.72x = 1,277,617.10 × 833,310.54
  4. Step 4: Simplify right side
    856,851.72x = 1,064,651,795,514.23
  5. Step 5: Solve for x
    x = 1,064,651,795,514.23/856,851.72
  6. Step 6: Final answer
    x = 1,242,515.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.