Home / 406,526.25-561,201.24-285,771.05

Finding the Fourth Proportional to 406,526.25, 561,201.24 and 285,771.05

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Solution

The fourth proportional to 406,526.25, 561,201.24 and 285,771.05 is: 394,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,526.25 : 561,201.24 = 285,771.05 : x
  2. Step 2: Convert to fraction form
    406,526.25/561,201.24 = 285,771.05/x
  3. Step 3: Cross multiply
    406,526.25x = 561,201.24 × 285,771.05
  4. Step 4: Simplify right side
    406,526.25x = 160,375,067,986.24
  5. Step 5: Solve for x
    x = 160,375,067,986.24/406,526.25
  6. Step 6: Final answer
    x = 394,501.13

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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.