Home / 407,201.08-562,004.94-225,971.22

Finding the Fourth Proportional to 407,201.08, 562,004.94 and 225,971.22

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Solution

The fourth proportional to 407,201.08, 562,004.94 and 225,971.22 is: 311,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,201.08 : 562,004.94 = 225,971.22 : x
  2. Step 2: Convert to fraction form
    407,201.08/562,004.94 = 225,971.22/x
  3. Step 3: Cross multiply
    407,201.08x = 562,004.94 × 225,971.22
  4. Step 4: Simplify right side
    407,201.08x = 126,996,941,937.83
  5. Step 5: Solve for x
    x = 126,996,941,937.83/407,201.08
  6. Step 6: Final answer
    x = 311,877.71

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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.