Home / 407,436.88-562,252.14-226,148.34

Finding the Fourth Proportional to 407,436.88, 562,252.14 and 226,148.34

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Solution

The fourth proportional to 407,436.88, 562,252.14 and 226,148.34 is: 312,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,436.88 : 562,252.14 = 226,148.34 : x
  2. Step 2: Convert to fraction form
    407,436.88/562,252.14 = 226,148.34/x
  3. Step 3: Cross multiply
    407,436.88x = 562,252.14 × 226,148.34
  4. Step 4: Simplify right side
    407,436.88x = 127,152,388,122.45
  5. Step 5: Solve for x
    x = 127,152,388,122.45/407,436.88
  6. Step 6: Final answer
    x = 312,078.74

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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.