Home / 447,142.37-617,053.43-253,586.57

Finding the Fourth Proportional to 447,142.37, 617,053.43 and 253,586.57

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Solution

The fourth proportional to 447,142.37, 617,053.43 and 253,586.57 is: 349,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,142.37 : 617,053.43 = 253,586.57 : x
  2. Step 2: Convert to fraction form
    447,142.37/617,053.43 = 253,586.57/x
  3. Step 3: Cross multiply
    447,142.37x = 617,053.43 × 253,586.57
  4. Step 4: Simplify right side
    447,142.37x = 156,476,461,552.50
  5. Step 5: Solve for x
    x = 156,476,461,552.50/447,142.37
  6. Step 6: Final answer
    x = 349,947.74

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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.