Home / 739,886.48-1,021,213.94-434,061.09

Finding the Fourth Proportional to 739,886.48, 1,021,213.94 and 434,061.09

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Solution

The fourth proportional to 739,886.48, 1,021,213.94 and 434,061.09 is: 599,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,886.48 : 1,021,213.94 = 434,061.09 : x
  2. Step 2: Convert to fraction form
    739,886.48/1,021,213.94 = 434,061.09/x
  3. Step 3: Cross multiply
    739,886.48x = 1,021,213.94 × 434,061.09
  4. Step 4: Simplify right side
    739,886.48x = 443,269,233,749.29
  5. Step 5: Solve for x
    x = 443,269,233,749.29/739,886.48
  6. Step 6: Final answer
    x = 599,104.39

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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.