Home / 417,618.81-576,314.34-226,632.21

Finding the Fourth Proportional to 417,618.81, 576,314.34 and 226,632.21

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Solution

The fourth proportional to 417,618.81, 576,314.34 and 226,632.21 is: 312,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,618.81 : 576,314.34 = 226,632.21 : x
  2. Step 2: Convert to fraction form
    417,618.81/576,314.34 = 226,632.21/x
  3. Step 3: Cross multiply
    417,618.81x = 576,314.34 × 226,632.21
  4. Step 4: Simplify right side
    417,618.81x = 130,611,392,528.89
  5. Step 5: Solve for x
    x = 130,611,392,528.89/417,618.81
  6. Step 6: Final answer
    x = 312,752.66

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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.