Home / 389,588.31-584,741.70-197,597.49

Finding the Fourth Proportional to 389,588.31, 584,741.70 and 197,597.49

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Solution

The fourth proportional to 389,588.31, 584,741.70 and 197,597.49 is: 296,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,588.31 : 584,741.70 = 197,597.49 : x
  2. Step 2: Convert to fraction form
    389,588.31/584,741.70 = 197,597.49/x
  3. Step 3: Cross multiply
    389,588.31x = 584,741.70 × 197,597.49
  4. Step 4: Simplify right side
    389,588.31x = 115,543,492,218.33
  5. Step 5: Solve for x
    x = 115,543,492,218.33/389,588.31
  6. Step 6: Final answer
    x = 296,578.44

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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.