Home / 987,494.02-1,481,668.86-348,254.54

Finding the Fourth Proportional to 987,494.02, 1,481,668.86 and 348,254.54

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Solution

The fourth proportional to 987,494.02, 1,481,668.86 and 348,254.54 is: 522,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,494.02 : 1,481,668.86 = 348,254.54 : x
  2. Step 2: Convert to fraction form
    987,494.02/1,481,668.86 = 348,254.54/x
  3. Step 3: Cross multiply
    987,494.02x = 1,481,668.86 × 348,254.54
  4. Step 4: Simplify right side
    987,494.02x = 515,997,906,725.49
  5. Step 5: Solve for x
    x = 515,997,906,725.49/987,494.02
  6. Step 6: Final answer
    x = 522,532.69

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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.