Home / 405,914.03-560,147.57-224,633.60

Finding the Fourth Proportional to 405,914.03, 560,147.57 and 224,633.60

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Solution

The fourth proportional to 405,914.03, 560,147.57 and 224,633.60 is: 309,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,914.03 : 560,147.57 = 224,633.60 : x
  2. Step 2: Convert to fraction form
    405,914.03/560,147.57 = 224,633.60/x
  3. Step 3: Cross multiply
    405,914.03x = 560,147.57 × 224,633.60
  4. Step 4: Simplify right side
    405,914.03x = 125,827,965,180.35
  5. Step 5: Solve for x
    x = 125,827,965,180.35/405,914.03
  6. Step 6: Final answer
    x = 309,986.74

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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.