Home / 407,269.33-562,025.31-223,509.49

Finding the Fourth Proportional to 407,269.33, 562,025.31 and 223,509.49

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Solution

The fourth proportional to 407,269.33, 562,025.31 and 223,509.49 is: 308,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,269.33 : 562,025.31 = 223,509.49 : x
  2. Step 2: Convert to fraction form
    407,269.33/562,025.31 = 223,509.49/x
  3. Step 3: Cross multiply
    407,269.33x = 562,025.31 × 223,509.49
  4. Step 4: Simplify right side
    407,269.33x = 125,617,990,405.19
  5. Step 5: Solve for x
    x = 125,617,990,405.19/407,269.33
  6. Step 6: Final answer
    x = 308,439.60

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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.