Home / 430,272.02-593,789.64-236,687.78

Finding the Fourth Proportional to 430,272.02, 593,789.64 and 236,687.78

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Solution

The fourth proportional to 430,272.02, 593,789.64 and 236,687.78 is: 326,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,272.02 : 593,789.64 = 236,687.78 : x
  2. Step 2: Convert to fraction form
    430,272.02/593,789.64 = 236,687.78/x
  3. Step 3: Cross multiply
    430,272.02x = 593,789.64 × 236,687.78
  4. Step 4: Simplify right side
    430,272.02x = 140,542,751,678.60
  5. Step 5: Solve for x
    x = 140,542,751,678.60/430,272.02
  6. Step 6: Final answer
    x = 326,636.98

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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.