Home / 1,154,539.70-1,728,857.10-853,389.80

Finding the Fourth Proportional to 1,154,539.70, 1,728,857.10 and 853,389.80

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Solution

The fourth proportional to 1,154,539.70, 1,728,857.10 and 853,389.80 is: 1,277,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,539.70 : 1,728,857.10 = 853,389.80 : x
  2. Step 2: Convert to fraction form
    1,154,539.70/1,728,857.10 = 853,389.80/x
  3. Step 3: Cross multiply
    1,154,539.70x = 1,728,857.10 × 853,389.80
  4. Step 4: Simplify right side
    1,154,539.70x = 1,475,389,014,797.58
  5. Step 5: Solve for x
    x = 1,475,389,014,797.58/1,154,539.70
  6. Step 6: Final answer
    x = 1,277,902.37

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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.