Home / 417,623.78-576,321.18-226,637.15

Finding the Fourth Proportional to 417,623.78, 576,321.18 and 226,637.15

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Solution

The fourth proportional to 417,623.78, 576,321.18 and 226,637.15 is: 312,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,623.78 : 576,321.18 = 226,637.15 : x
  2. Step 2: Convert to fraction form
    417,623.78/576,321.18 = 226,637.15/x
  3. Step 3: Cross multiply
    417,623.78x = 576,321.18 × 226,637.15
  4. Step 4: Simplify right side
    417,623.78x = 130,615,789,719.84
  5. Step 5: Solve for x
    x = 130,615,789,719.84/417,623.78
  6. Step 6: Final answer
    x = 312,759.46

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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.