Home / 931,663.09-1,285,740.68-523,893.29

Finding the Fourth Proportional to 931,663.09, 1,285,740.68 and 523,893.29

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Solution

The fourth proportional to 931,663.09, 1,285,740.68 and 523,893.29 is: 722,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,663.09 : 1,285,740.68 = 523,893.29 : x
  2. Step 2: Convert to fraction form
    931,663.09/1,285,740.68 = 523,893.29/x
  3. Step 3: Cross multiply
    931,663.09x = 1,285,740.68 × 523,893.29
  4. Step 4: Simplify right side
    931,663.09x = 673,590,914,932.04
  5. Step 5: Solve for x
    x = 673,590,914,932.04/931,663.09
  6. Step 6: Final answer
    x = 722,998.39

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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.