Home / 832,486.48-1,148,708.18-488,192.54

Finding the Fourth Proportional to 832,486.48, 1,148,708.18 and 488,192.54

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Solution

The fourth proportional to 832,486.48, 1,148,708.18 and 488,192.54 is: 673,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,486.48 : 1,148,708.18 = 488,192.54 : x
  2. Step 2: Convert to fraction form
    832,486.48/1,148,708.18 = 488,192.54/x
  3. Step 3: Cross multiply
    832,486.48x = 1,148,708.18 × 488,192.54
  4. Step 4: Simplify right side
    832,486.48x = 560,790,759,589.92
  5. Step 5: Solve for x
    x = 560,790,759,589.92/832,486.48
  6. Step 6: Final answer
    x = 673,633.48

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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.