Home / 405,284.26-559,274.88-223,986.82

Finding the Fourth Proportional to 405,284.26, 559,274.88 and 223,986.82

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Solution

The fourth proportional to 405,284.26, 559,274.88 and 223,986.82 is: 309,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,284.26 : 559,274.88 = 223,986.82 : x
  2. Step 2: Convert to fraction form
    405,284.26/559,274.88 = 223,986.82/x
  3. Step 3: Cross multiply
    405,284.26x = 559,274.88 × 223,986.82
  4. Step 4: Simplify right side
    405,284.26x = 125,270,201,877.08
  5. Step 5: Solve for x
    x = 125,270,201,877.08/405,284.26
  6. Step 6: Final answer
    x = 309,092.20

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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.