Home / 407,913.22-562,920.90-226,625.36

Finding the Fourth Proportional to 407,913.22, 562,920.90 and 226,625.36

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Solution

The fourth proportional to 407,913.22, 562,920.90 and 226,625.36 is: 312,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,913.22 : 562,920.90 = 226,625.36 : x
  2. Step 2: Convert to fraction form
    407,913.22/562,920.90 = 226,625.36/x
  3. Step 3: Cross multiply
    407,913.22x = 562,920.90 × 226,625.36
  4. Step 4: Simplify right side
    407,913.22x = 127,572,148,799.42
  5. Step 5: Solve for x
    x = 127,572,148,799.42/407,913.22
  6. Step 6: Final answer
    x = 312,743.36

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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.