Home / 407,865.92-562,834.88-226,589.44

Finding the Fourth Proportional to 407,865.92, 562,834.88 and 226,589.44

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Solution

The fourth proportional to 407,865.92, 562,834.88 and 226,589.44 is: 312,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,865.92 : 562,834.88 = 226,589.44 : x
  2. Step 2: Convert to fraction form
    407,865.92/562,834.88 = 226,589.44/x
  3. Step 3: Cross multiply
    407,865.92x = 562,834.88 × 226,589.44
  4. Step 4: Simplify right side
    407,865.92x = 127,532,440,271.67
  5. Step 5: Solve for x
    x = 127,532,440,271.67/407,865.92
  6. Step 6: Final answer
    x = 312,682.27

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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.