Home / 406,412.24-609,395.64-125,851.60

Finding the Fourth Proportional to 406,412.24, 609,395.64 and 125,851.60

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Solution

The fourth proportional to 406,412.24, 609,395.64 and 125,851.60 is: 188,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,412.24 : 609,395.64 = 125,851.60 : x
  2. Step 2: Convert to fraction form
    406,412.24/609,395.64 = 125,851.60/x
  3. Step 3: Cross multiply
    406,412.24x = 609,395.64 × 125,851.60
  4. Step 4: Simplify right side
    406,412.24x = 76,693,416,327.02
  5. Step 5: Solve for x
    x = 76,693,416,327.02/406,412.24
  6. Step 6: Final answer
    x = 188,708.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.