Home / 528,835.45-793,568.38-191,902.39

Finding the Fourth Proportional to 528,835.45, 793,568.38 and 191,902.39

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Solution

The fourth proportional to 528,835.45, 793,568.38 and 191,902.39 is: 287,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,835.45 : 793,568.38 = 191,902.39 : x
  2. Step 2: Convert to fraction form
    528,835.45/793,568.38 = 191,902.39/x
  3. Step 3: Cross multiply
    528,835.45x = 793,568.38 × 191,902.39
  4. Step 4: Simplify right side
    528,835.45x = 152,287,668,750.43
  5. Step 5: Solve for x
    x = 152,287,668,750.43/528,835.45
  6. Step 6: Final answer
    x = 287,967.97

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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.