Home / 405,485.34-559,545.82-224,183.04

Finding the Fourth Proportional to 405,485.34, 559,545.82 and 224,183.04

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Solution

The fourth proportional to 405,485.34, 559,545.82 and 224,183.04 is: 309,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,485.34 : 559,545.82 = 224,183.04 : x
  2. Step 2: Convert to fraction form
    405,485.34/559,545.82 = 224,183.04/x
  3. Step 3: Cross multiply
    405,485.34x = 559,545.82 × 224,183.04
  4. Step 4: Simplify right side
    405,485.34x = 125,440,682,946.89
  5. Step 5: Solve for x
    x = 125,440,682,946.89/405,485.34
  6. Step 6: Final answer
    x = 309,359.35

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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.