Home / 1,098,215.72-1,648,388.82-529,996.70

Finding the Fourth Proportional to 1,098,215.72, 1,648,388.82 and 529,996.70

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Solution

The fourth proportional to 1,098,215.72, 1,648,388.82 and 529,996.70 is: 795,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,215.72 : 1,648,388.82 = 529,996.70 : x
  2. Step 2: Convert to fraction form
    1,098,215.72/1,648,388.82 = 529,996.70/x
  3. Step 3: Cross multiply
    1,098,215.72x = 1,648,388.82 × 529,996.70
  4. Step 4: Simplify right side
    1,098,215.72x = 873,640,634,916.89
  5. Step 5: Solve for x
    x = 873,640,634,916.89/1,098,215.72
  6. Step 6: Final answer
    x = 795,509.13

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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.