Home / 693,629.33-1,037,827.79-409,474.47

Finding the Fourth Proportional to 693,629.33, 1,037,827.79 and 409,474.47

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Solution

The fourth proportional to 693,629.33, 1,037,827.79 and 409,474.47 is: 612,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,629.33 : 1,037,827.79 = 409,474.47 : x
  2. Step 2: Convert to fraction form
    693,629.33/1,037,827.79 = 409,474.47/x
  3. Step 3: Cross multiply
    693,629.33x = 1,037,827.79 × 409,474.47
  4. Step 4: Simplify right side
    693,629.33x = 424,963,985,285.21
  5. Step 5: Solve for x
    x = 424,963,985,285.21/693,629.33
  6. Step 6: Final answer
    x = 612,667.26

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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.