Home / 529,645.44-731,146.32-314,855.04

Finding the Fourth Proportional to 529,645.44, 731,146.32 and 314,855.04

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Solution

The fourth proportional to 529,645.44, 731,146.32 and 314,855.04 is: 434,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,645.44 : 731,146.32 = 314,855.04 : x
  2. Step 2: Convert to fraction form
    529,645.44/731,146.32 = 314,855.04/x
  3. Step 3: Cross multiply
    529,645.44x = 731,146.32 × 314,855.04
  4. Step 4: Simplify right side
    529,645.44x = 230,205,103,829.45
  5. Step 5: Solve for x
    x = 230,205,103,829.45/529,645.44
  6. Step 6: Final answer
    x = 434,640.02

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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.