Home / 407,203.08-562,007.70-225,973.22

Finding the Fourth Proportional to 407,203.08, 562,007.70 and 225,973.22

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Solution

The fourth proportional to 407,203.08, 562,007.70 and 225,973.22 is: 311,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,203.08 : 562,007.70 = 225,973.22 : x
  2. Step 2: Convert to fraction form
    407,203.08/562,007.70 = 225,973.22/x
  3. Step 3: Cross multiply
    407,203.08x = 562,007.70 × 225,973.22
  4. Step 4: Simplify right side
    407,203.08x = 126,998,689,633.79
  5. Step 5: Solve for x
    x = 126,998,689,633.79/407,203.08
  6. Step 6: Final answer
    x = 311,880.47

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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.