Home / 279,247.02-415,711.98-277,586.25

Finding the Fourth Proportional to 279,247.02, 415,711.98 and 277,586.25

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Solution

The fourth proportional to 279,247.02, 415,711.98 and 277,586.25 is: 413,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,247.02 : 415,711.98 = 277,586.25 : x
  2. Step 2: Convert to fraction form
    279,247.02/415,711.98 = 277,586.25/x
  3. Step 3: Cross multiply
    279,247.02x = 415,711.98 × 277,586.25
  4. Step 4: Simplify right side
    279,247.02x = 115,395,929,608.28
  5. Step 5: Solve for x
    x = 115,395,929,608.28/279,247.02
  6. Step 6: Final answer
    x = 413,239.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.