Home / 417,905.01-576,708.91-226,918.40

Finding the Fourth Proportional to 417,905.01, 576,708.91 and 226,918.40

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Solution

The fourth proportional to 417,905.01, 576,708.91 and 226,918.40 is: 313,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,905.01 : 576,708.91 = 226,918.40 : x
  2. Step 2: Convert to fraction form
    417,905.01/576,708.91 = 226,918.40/x
  3. Step 3: Cross multiply
    417,905.01x = 576,708.91 × 226,918.40
  4. Step 4: Simplify right side
    417,905.01x = 130,865,862,543.88
  5. Step 5: Solve for x
    x = 130,865,862,543.88/417,905.01
  6. Step 6: Final answer
    x = 313,147.39

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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.