Home / 633,822.82-874,682.38-347,336.75

Finding the Fourth Proportional to 633,822.82, 874,682.38 and 347,336.75

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Solution

The fourth proportional to 633,822.82, 874,682.38 and 347,336.75 is: 479,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,822.82 : 874,682.38 = 347,336.75 : x
  2. Step 2: Convert to fraction form
    633,822.82/874,682.38 = 347,336.75/x
  3. Step 3: Cross multiply
    633,822.82x = 874,682.38 × 347,336.75
  4. Step 4: Simplify right side
    633,822.82x = 303,809,335,151.47
  5. Step 5: Solve for x
    x = 303,809,335,151.47/633,822.82
  6. Step 6: Final answer
    x = 479,328.49

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1.5x scale

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.