Home / 418,100.40-576,965.25-236,829.06

Finding the Fourth Proportional to 418,100.40, 576,965.25 and 236,829.06

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Solution

The fourth proportional to 418,100.40, 576,965.25 and 236,829.06 is: 326,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,100.40 : 576,965.25 = 236,829.06 : x
  2. Step 2: Convert to fraction form
    418,100.40/576,965.25 = 236,829.06/x
  3. Step 3: Cross multiply
    418,100.40x = 576,965.25 × 236,829.06
  4. Step 4: Simplify right side
    418,100.40x = 136,642,137,810.17
  5. Step 5: Solve for x
    x = 136,642,137,810.17/418,100.40
  6. Step 6: Final answer
    x = 326,816.57

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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.