Home / 529,714.28-731,026.94-287,996.11

Finding the Fourth Proportional to 529,714.28, 731,026.94 and 287,996.11

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Solution

The fourth proportional to 529,714.28, 731,026.94 and 287,996.11 is: 397,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,714.28 : 731,026.94 = 287,996.11 : x
  2. Step 2: Convert to fraction form
    529,714.28/731,026.94 = 287,996.11/x
  3. Step 3: Cross multiply
    529,714.28x = 731,026.94 × 287,996.11
  4. Step 4: Simplify right side
    529,714.28x = 210,532,911,757.66
  5. Step 5: Solve for x
    x = 210,532,911,757.66/529,714.28
  6. Step 6: Final answer
    x = 397,446.17

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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.