Home / 528,986.36-793,633.20-192,021.56

Finding the Fourth Proportional to 528,986.36, 793,633.20 and 192,021.56

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Solution

The fourth proportional to 528,986.36, 793,633.20 and 192,021.56 is: 288,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,986.36 : 793,633.20 = 192,021.56 : x
  2. Step 2: Convert to fraction form
    528,986.36/793,633.20 = 192,021.56/x
  3. Step 3: Cross multiply
    528,986.36x = 793,633.20 × 192,021.56
  4. Step 4: Simplify right side
    528,986.36x = 152,394,685,131.79
  5. Step 5: Solve for x
    x = 152,394,685,131.79/528,986.36
  6. Step 6: Final answer
    x = 288,088.12

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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.