Home / 989,858.19-1,485,349.04-534,443.39

Finding the Fourth Proportional to 989,858.19, 1,485,349.04 and 534,443.39

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Solution

The fourth proportional to 989,858.19, 1,485,349.04 and 534,443.39 is: 801,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,858.19 : 1,485,349.04 = 534,443.39 : x
  2. Step 2: Convert to fraction form
    989,858.19/1,485,349.04 = 534,443.39/x
  3. Step 3: Cross multiply
    989,858.19x = 1,485,349.04 × 534,443.39
  4. Step 4: Simplify right side
    989,858.19x = 793,834,970,180.21
  5. Step 5: Solve for x
    x = 793,834,970,180.21/989,858.19
  6. Step 6: Final answer
    x = 801,968.38

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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.