Home / 407,378.19-562,155.71-226,090.24

Finding the Fourth Proportional to 407,378.19, 562,155.71 and 226,090.24

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Solution

The fourth proportional to 407,378.19, 562,155.71 and 226,090.24 is: 311,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,378.19 : 562,155.71 = 226,090.24 : x
  2. Step 2: Convert to fraction form
    407,378.19/562,155.71 = 226,090.24/x
  3. Step 3: Cross multiply
    407,378.19x = 562,155.71 × 226,090.24
  4. Step 4: Simplify right side
    407,378.19x = 127,097,917,173.37
  5. Step 5: Solve for x
    x = 127,097,917,173.37/407,378.19
  6. Step 6: Final answer
    x = 311,989.99

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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.