Home / 909,502.30-1,364,020.75-269,656.42

Finding the Fourth Proportional to 909,502.30, 1,364,020.75 and 269,656.42

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Solution

The fourth proportional to 909,502.30, 1,364,020.75 and 269,656.42 is: 404,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,502.30 : 1,364,020.75 = 269,656.42 : x
  2. Step 2: Convert to fraction form
    909,502.30/1,364,020.75 = 269,656.42/x
  3. Step 3: Cross multiply
    909,502.30x = 1,364,020.75 × 269,656.42
  4. Step 4: Simplify right side
    909,502.30x = 367,816,952,250.72
  5. Step 5: Solve for x
    x = 367,816,952,250.72/909,502.30
  6. Step 6: Final answer
    x = 404,415.64

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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.