Home / 515,241.27-710,982.14-285,794.55

Finding the Fourth Proportional to 515,241.27, 710,982.14 and 285,794.55

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Solution

The fourth proportional to 515,241.27, 710,982.14 and 285,794.55 is: 394,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,241.27 : 710,982.14 = 285,794.55 : x
  2. Step 2: Convert to fraction form
    515,241.27/710,982.14 = 285,794.55/x
  3. Step 3: Cross multiply
    515,241.27x = 710,982.14 × 285,794.55
  4. Step 4: Simplify right side
    515,241.27x = 203,194,819,330.36
  5. Step 5: Solve for x
    x = 203,194,819,330.36/515,241.27
  6. Step 6: Final answer
    x = 394,368.29

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1.5x scale

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.