Home / 407,429.29-562,247.93-226,142.79

Finding the Fourth Proportional to 407,429.29, 562,247.93 and 226,142.79

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Solution

The fourth proportional to 407,429.29, 562,247.93 and 226,142.79 is: 312,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,429.29 : 562,247.93 = 226,142.79 : x
  2. Step 2: Convert to fraction form
    407,429.29/562,247.93 = 226,142.79/x
  3. Step 3: Cross multiply
    407,429.29x = 562,247.93 × 226,142.79
  4. Step 4: Simplify right side
    407,429.29x = 127,148,314,018.85
  5. Step 5: Solve for x
    x = 127,148,314,018.85/407,429.29
  6. Step 6: Final answer
    x = 312,074.55

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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.