Home / 417,619.37-576,315.09-226,632.76

Finding the Fourth Proportional to 417,619.37, 576,315.09 and 226,632.76

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Solution

The fourth proportional to 417,619.37, 576,315.09 and 226,632.76 is: 312,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,619.37 : 576,315.09 = 226,632.76 : x
  2. Step 2: Convert to fraction form
    417,619.37/576,315.09 = 226,632.76/x
  3. Step 3: Cross multiply
    417,619.37x = 576,315.09 × 226,632.76
  4. Step 4: Simplify right side
    417,619.37x = 130,611,878,035.56
  5. Step 5: Solve for x
    x = 130,611,878,035.56/417,619.37
  6. Step 6: Final answer
    x = 312,753.40

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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.