Home / 407,847.59-562,919.70-226,621.82

Finding the Fourth Proportional to 407,847.59, 562,919.70 and 226,621.82

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Solution

The fourth proportional to 407,847.59, 562,919.70 and 226,621.82 is: 312,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,847.59 : 562,919.70 = 226,621.82 : x
  2. Step 2: Convert to fraction form
    407,847.59/562,919.70 = 226,621.82/x
  3. Step 3: Cross multiply
    407,847.59x = 562,919.70 × 226,621.82
  4. Step 4: Simplify right side
    407,847.59x = 127,569,886,927.85
  5. Step 5: Solve for x
    x = 127,569,886,927.85/407,847.59
  6. Step 6: Final answer
    x = 312,788.13

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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.