Home / 559,905.78-840,399.75-529,561.02

Finding the Fourth Proportional to 559,905.78, 840,399.75 and 529,561.02

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Solution

The fourth proportional to 559,905.78, 840,399.75 and 529,561.02 is: 794,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,905.78 : 840,399.75 = 529,561.02 : x
  2. Step 2: Convert to fraction form
    559,905.78/840,399.75 = 529,561.02/x
  3. Step 3: Cross multiply
    559,905.78x = 840,399.75 × 529,561.02
  4. Step 4: Simplify right side
    559,905.78x = 445,042,948,817.75
  5. Step 5: Solve for x
    x = 445,042,948,817.75/559,905.78
  6. Step 6: Final answer
    x = 794,853.29

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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.