Home / 832,487.48-1,148,709.56-488,193.54

Finding the Fourth Proportional to 832,487.48, 1,148,709.56 and 488,193.54

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Solution

The fourth proportional to 832,487.48, 1,148,709.56 and 488,193.54 is: 673,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,487.48 : 1,148,709.56 = 488,193.54 : x
  2. Step 2: Convert to fraction form
    832,487.48/1,148,709.56 = 488,193.54/x
  3. Step 3: Cross multiply
    832,487.48x = 1,148,709.56 × 488,193.54
  4. Step 4: Simplify right side
    832,487.48x = 560,792,586,528.24
  5. Step 5: Solve for x
    x = 560,792,586,528.24/832,487.48
  6. Step 6: Final answer
    x = 673,634.86

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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.