Home / 407,193.08-561,929.84-225,916.92

Finding the Fourth Proportional to 407,193.08, 561,929.84 and 225,916.92

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Solution

The fourth proportional to 407,193.08, 561,929.84 and 225,916.92 is: 311,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,193.08 : 561,929.84 = 225,916.92 : x
  2. Step 2: Convert to fraction form
    407,193.08/561,929.84 = 225,916.92/x
  3. Step 3: Cross multiply
    407,193.08x = 561,929.84 × 225,916.92
  4. Step 4: Simplify right side
    407,193.08x = 126,949,458,708.89
  5. Step 5: Solve for x
    x = 126,949,458,708.89/407,193.08
  6. Step 6: Final answer
    x = 311,767.23

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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.