Home / 869,365.12-1,303,936.92-336,521.60

Finding the Fourth Proportional to 869,365.12, 1,303,936.92 and 336,521.60

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Solution

The fourth proportional to 869,365.12, 1,303,936.92 and 336,521.60 is: 504,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,365.12 : 1,303,936.92 = 336,521.60 : x
  2. Step 2: Convert to fraction form
    869,365.12/1,303,936.92 = 336,521.60/x
  3. Step 3: Cross multiply
    869,365.12x = 1,303,936.92 × 336,521.60
  4. Step 4: Simplify right side
    869,365.12x = 438,802,938,617.47
  5. Step 5: Solve for x
    x = 438,802,938,617.47/869,365.12
  6. Step 6: Final answer
    x = 504,739.53

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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.