Home / 407,475.30-562,289.24-226,178.40

Finding the Fourth Proportional to 407,475.30, 562,289.24 and 226,178.40

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Solution

The fourth proportional to 407,475.30, 562,289.24 and 226,178.40 is: 312,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,475.30 : 562,289.24 = 226,178.40 : x
  2. Step 2: Convert to fraction form
    407,475.30/562,289.24 = 226,178.40/x
  3. Step 3: Cross multiply
    407,475.30x = 562,289.24 × 226,178.40
  4. Step 4: Simplify right side
    407,475.30x = 127,177,680,640.42
  5. Step 5: Solve for x
    x = 127,177,680,640.42/407,475.30
  6. Step 6: Final answer
    x = 312,111.39

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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.