Home / 405,904.56-560,176.41-224,624.10

Finding the Fourth Proportional to 405,904.56, 560,176.41 and 224,624.10

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Solution

The fourth proportional to 405,904.56, 560,176.41 and 224,624.10 is: 309,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,904.56 : 560,176.41 = 224,624.10 : x
  2. Step 2: Convert to fraction form
    405,904.56/560,176.41 = 224,624.10/x
  3. Step 3: Cross multiply
    405,904.56x = 560,176.41 × 224,624.10
  4. Step 4: Simplify right side
    405,904.56x = 125,829,121,937.48
  5. Step 5: Solve for x
    x = 125,829,121,937.48/405,904.56
  6. Step 6: Final answer
    x = 309,996.82

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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.