Home / 856,319.75-1,181,721.26-474,371.27

Finding the Fourth Proportional to 856,319.75, 1,181,721.26 and 474,371.27

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Solution

The fourth proportional to 856,319.75, 1,181,721.26 and 474,371.27 is: 654,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,319.75 : 1,181,721.26 = 474,371.27 : x
  2. Step 2: Convert to fraction form
    856,319.75/1,181,721.26 = 474,371.27/x
  3. Step 3: Cross multiply
    856,319.75x = 1,181,721.26 × 474,371.27
  4. Step 4: Simplify right side
    856,319.75x = 560,574,612,520.34
  5. Step 5: Solve for x
    x = 560,574,612,520.34/856,319.75
  6. Step 6: Final answer
    x = 654,632.35

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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.