Home / 470,621.19-649,462.26-255,761.25

Finding the Fourth Proportional to 470,621.19, 649,462.26 and 255,761.25

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Solution

The fourth proportional to 470,621.19, 649,462.26 and 255,761.25 is: 352,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,621.19 : 649,462.26 = 255,761.25 : x
  2. Step 2: Convert to fraction form
    470,621.19/649,462.26 = 255,761.25/x
  3. Step 3: Cross multiply
    470,621.19x = 649,462.26 × 255,761.25
  4. Step 4: Simplify right side
    470,621.19x = 166,107,279,445.43
  5. Step 5: Solve for x
    x = 166,107,279,445.43/470,621.19
  6. Step 6: Final answer
    x = 352,953.25

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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.