Home / 505,039.25-696,136.07-439,460.24

Finding the Fourth Proportional to 505,039.25, 696,136.07 and 439,460.24

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Solution

The fourth proportional to 505,039.25, 696,136.07 and 439,460.24 is: 605,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,039.25 : 696,136.07 = 439,460.24 : x
  2. Step 2: Convert to fraction form
    505,039.25/696,136.07 = 439,460.24/x
  3. Step 3: Cross multiply
    505,039.25x = 696,136.07 × 439,460.24
  4. Step 4: Simplify right side
    505,039.25x = 305,924,122,012.83
  5. Step 5: Solve for x
    x = 305,924,122,012.83/505,039.25
  6. Step 6: Final answer
    x = 605,743.26

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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.