Home / 412,720.37-569,344.49-269,564.21

Finding the Fourth Proportional to 412,720.37, 569,344.49 and 269,564.21

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Solution

The fourth proportional to 412,720.37, 569,344.49 and 269,564.21 is: 371,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,720.37 : 569,344.49 = 269,564.21 : x
  2. Step 2: Convert to fraction form
    412,720.37/569,344.49 = 269,564.21/x
  3. Step 3: Cross multiply
    412,720.37x = 569,344.49 × 269,564.21
  4. Step 4: Simplify right side
    412,720.37x = 153,474,896,316.88
  5. Step 5: Solve for x
    x = 153,474,896,316.88/412,720.37
  6. Step 6: Final answer
    x = 371,861.69

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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.