Home / 529,845.03-731,205.33-303,534.27

Finding the Fourth Proportional to 529,845.03, 731,205.33 and 303,534.27

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Solution

The fourth proportional to 529,845.03, 731,205.33 and 303,534.27 is: 418,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,845.03 : 731,205.33 = 303,534.27 : x
  2. Step 2: Convert to fraction form
    529,845.03/731,205.33 = 303,534.27/x
  3. Step 3: Cross multiply
    529,845.03x = 731,205.33 × 303,534.27
  4. Step 4: Simplify right side
    529,845.03x = 221,945,874,457.89
  5. Step 5: Solve for x
    x = 221,945,874,457.89/529,845.03
  6. Step 6: Final answer
    x = 418,888.29

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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.