Home / 417,715.28-576,431.63-226,724.57

Finding the Fourth Proportional to 417,715.28, 576,431.63 and 226,724.57

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Solution

The fourth proportional to 417,715.28, 576,431.63 and 226,724.57 is: 312,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,715.28 : 576,431.63 = 226,724.57 : x
  2. Step 2: Convert to fraction form
    417,715.28/576,431.63 = 226,724.57/x
  3. Step 3: Cross multiply
    417,715.28x = 576,431.63 × 226,724.57
  4. Step 4: Simplify right side
    417,715.28x = 130,691,209,430.37
  5. Step 5: Solve for x
    x = 130,691,209,430.37/417,715.28
  6. Step 6: Final answer
    x = 312,871.51

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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.