Home / 389,664.46-537,538.84-236,661.94

Finding the Fourth Proportional to 389,664.46, 537,538.84 and 236,661.94

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Solution

The fourth proportional to 389,664.46, 537,538.84 and 236,661.94 is: 326,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,664.46 : 537,538.84 = 236,661.94 : x
  2. Step 2: Convert to fraction form
    389,664.46/537,538.84 = 236,661.94/x
  3. Step 3: Cross multiply
    389,664.46x = 537,538.84 × 236,661.94
  4. Step 4: Simplify right side
    389,664.46x = 127,214,984,699.75
  5. Step 5: Solve for x
    x = 127,214,984,699.75/389,664.46
  6. Step 6: Final answer
    x = 326,473.15

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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.