Home / 417,975.87-576,983.22-282,193.68

Finding the Fourth Proportional to 417,975.87, 576,983.22 and 282,193.68

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Solution

The fourth proportional to 417,975.87, 576,983.22 and 282,193.68 is: 389,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,975.87 : 576,983.22 = 282,193.68 : x
  2. Step 2: Convert to fraction form
    417,975.87/576,983.22 = 282,193.68/x
  3. Step 3: Cross multiply
    417,975.87x = 576,983.22 × 282,193.68
  4. Step 4: Simplify right side
    417,975.87x = 162,821,018,150.05
  5. Step 5: Solve for x
    x = 162,821,018,150.05/417,975.87
  6. Step 6: Final answer
    x = 389,546.45

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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.