Home / 1,119,893.23-1,545,583.85-636,531.03

Finding the Fourth Proportional to 1,119,893.23, 1,545,583.85 and 636,531.03

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Solution

The fourth proportional to 1,119,893.23, 1,545,583.85 and 636,531.03 is: 878,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,893.23 : 1,545,583.85 = 636,531.03 : x
  2. Step 2: Convert to fraction form
    1,119,893.23/1,545,583.85 = 636,531.03/x
  3. Step 3: Cross multiply
    1,119,893.23x = 1,545,583.85 × 636,531.03
  4. Step 4: Simplify right side
    1,119,893.23x = 983,812,079,991.87
  5. Step 5: Solve for x
    x = 983,812,079,991.87/1,119,893.23
  6. Step 6: Final answer
    x = 878,487.39

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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.