Home / 902,092.40-1,351,699.23-661,089.36

Finding the Fourth Proportional to 902,092.40, 1,351,699.23 and 661,089.36

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Solution

The fourth proportional to 902,092.40, 1,351,699.23 and 661,089.36 is: 990,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,092.40 : 1,351,699.23 = 661,089.36 : x
  2. Step 2: Convert to fraction form
    902,092.40/1,351,699.23 = 661,089.36/x
  3. Step 3: Cross multiply
    902,092.40x = 1,351,699.23 × 661,089.36
  4. Step 4: Simplify right side
    902,092.40x = 893,593,978,873.19
  5. Step 5: Solve for x
    x = 893,593,978,873.19/902,092.40
  6. Step 6: Final answer
    x = 990,579.21

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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.