Home / 382,926.06-528,433.52-210,840.45

Finding the Fourth Proportional to 382,926.06, 528,433.52 and 210,840.45

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Solution

The fourth proportional to 382,926.06, 528,433.52 and 210,840.45 is: 290,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,926.06 : 528,433.52 = 210,840.45 : x
  2. Step 2: Convert to fraction form
    382,926.06/528,433.52 = 210,840.45/x
  3. Step 3: Cross multiply
    382,926.06x = 528,433.52 × 210,840.45
  4. Step 4: Simplify right side
    382,926.06x = 111,415,160,097.68
  5. Step 5: Solve for x
    x = 111,415,160,097.68/382,926.06
  6. Step 6: Final answer
    x = 290,957.37

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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.