Home / 427,818.60-590,385.78-236,840.04

Finding the Fourth Proportional to 427,818.60, 590,385.78 and 236,840.04

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Solution

The fourth proportional to 427,818.60, 590,385.78 and 236,840.04 is: 326,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,818.60 : 590,385.78 = 236,840.04 : x
  2. Step 2: Convert to fraction form
    427,818.60/590,385.78 = 236,840.04/x
  3. Step 3: Cross multiply
    427,818.60x = 590,385.78 × 236,840.04
  4. Step 4: Simplify right side
    427,818.60x = 139,826,991,750.63
  5. Step 5: Solve for x
    x = 139,826,991,750.63/427,818.60
  6. Step 6: Final answer
    x = 326,837.10

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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.