Home / 407,199.07-562,002.18-225,969.22

Finding the Fourth Proportional to 407,199.07, 562,002.18 and 225,969.22

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Solution

The fourth proportional to 407,199.07, 562,002.18 and 225,969.22 is: 311,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,199.07 : 562,002.18 = 225,969.22 : x
  2. Step 2: Convert to fraction form
    407,199.07/562,002.18 = 225,969.22/x
  3. Step 3: Cross multiply
    407,199.07x = 562,002.18 × 225,969.22
  4. Step 4: Simplify right side
    407,199.07x = 126,995,194,252.90
  5. Step 5: Solve for x
    x = 126,995,194,252.90/407,199.07
  6. Step 6: Final answer
    x = 311,874.96

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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.