Home / 406,314.78-609,558.03-121,995.06

Finding the Fourth Proportional to 406,314.78, 609,558.03 and 121,995.06

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Solution

The fourth proportional to 406,314.78, 609,558.03 and 121,995.06 is: 183,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,314.78 : 609,558.03 = 121,995.06 : x
  2. Step 2: Convert to fraction form
    406,314.78/609,558.03 = 121,995.06/x
  3. Step 3: Cross multiply
    406,314.78x = 609,558.03 × 121,995.06
  4. Step 4: Simplify right side
    406,314.78x = 74,363,068,443.33
  5. Step 5: Solve for x
    x = 74,363,068,443.33/406,314.78
  6. Step 6: Final answer
    x = 183,018.37

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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.