Home / 389,706.03-537,736.53-236,664.39

Finding the Fourth Proportional to 389,706.03, 537,736.53 and 236,664.39

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Solution

The fourth proportional to 389,706.03, 537,736.53 and 236,664.39 is: 326,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,706.03 : 537,736.53 = 236,664.39 : x
  2. Step 2: Convert to fraction form
    389,706.03/537,736.53 = 236,664.39/x
  3. Step 3: Cross multiply
    389,706.03x = 537,736.53 × 236,664.39
  4. Step 4: Simplify right side
    389,706.03x = 127,263,087,853.17
  5. Step 5: Solve for x
    x = 127,263,087,853.17/389,706.03
  6. Step 6: Final answer
    x = 326,561.76

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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.