Home / 529,738.04-730,554.18-394,111.64

Finding the Fourth Proportional to 529,738.04, 730,554.18 and 394,111.64

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Solution

The fourth proportional to 529,738.04, 730,554.18 and 394,111.64 is: 543,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,738.04 : 730,554.18 = 394,111.64 : x
  2. Step 2: Convert to fraction form
    529,738.04/730,554.18 = 394,111.64/x
  3. Step 3: Cross multiply
    529,738.04x = 730,554.18 × 394,111.64
  4. Step 4: Simplify right side
    529,738.04x = 287,919,905,988.66
  5. Step 5: Solve for x
    x = 287,919,905,988.66/529,738.04
  6. Step 6: Final answer
    x = 543,513.74

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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.