Home / 405,837.79-560,072.67-224,546.78

Finding the Fourth Proportional to 405,837.79, 560,072.67 and 224,546.78

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Solution

The fourth proportional to 405,837.79, 560,072.67 and 224,546.78 is: 309,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,837.79 : 560,072.67 = 224,546.78 : x
  2. Step 2: Convert to fraction form
    405,837.79/560,072.67 = 224,546.78/x
  3. Step 3: Cross multiply
    405,837.79x = 560,072.67 × 224,546.78
  4. Step 4: Simplify right side
    405,837.79x = 125,762,514,614.50
  5. Step 5: Solve for x
    x = 125,762,514,614.50/405,837.79
  6. Step 6: Final answer
    x = 309,883.70

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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.