Home / 417,660.11-576,355.53-226,669.40

Finding the Fourth Proportional to 417,660.11, 576,355.53 and 226,669.40

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Solution

The fourth proportional to 417,660.11, 576,355.53 and 226,669.40 is: 312,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,660.11 : 576,355.53 = 226,669.40 : x
  2. Step 2: Convert to fraction form
    417,660.11/576,355.53 = 226,669.40/x
  3. Step 3: Cross multiply
    417,660.11x = 576,355.53 × 226,669.40
  4. Step 4: Simplify right side
    417,660.11x = 130,642,162,171.78
  5. Step 5: Solve for x
    x = 130,642,162,171.78/417,660.11
  6. Step 6: Final answer
    x = 312,795.40

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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.