Home / 417,623.63-576,321.03-226,637.06

Finding the Fourth Proportional to 417,623.63, 576,321.03 and 226,637.06

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Solution

The fourth proportional to 417,623.63, 576,321.03 and 226,637.06 is: 312,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,623.63 : 576,321.03 = 226,637.06 : x
  2. Step 2: Convert to fraction form
    417,623.63/576,321.03 = 226,637.06/x
  3. Step 3: Cross multiply
    417,623.63x = 576,321.03 × 226,637.06
  4. Step 4: Simplify right side
    417,623.63x = 130,615,700,973.77
  5. Step 5: Solve for x
    x = 130,615,700,973.77/417,623.63
  6. Step 6: Final answer
    x = 312,759.37

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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.