Home / 427,780.09-590,336.52-236,793.48

Finding the Fourth Proportional to 427,780.09, 590,336.52 and 236,793.48

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Solution

The fourth proportional to 427,780.09, 590,336.52 and 236,793.48 is: 326,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,780.09 : 590,336.52 = 236,793.48 : x
  2. Step 2: Convert to fraction form
    427,780.09/590,336.52 = 236,793.48/x
  3. Step 3: Cross multiply
    427,780.09x = 590,336.52 × 236,793.48
  4. Step 4: Simplify right side
    427,780.09x = 139,787,837,172.12
  5. Step 5: Solve for x
    x = 139,787,837,172.12/427,780.09
  6. Step 6: Final answer
    x = 326,775.00

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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.