Home / 1,243,333.87-1,865,000.81-822,511.33

Finding the Fourth Proportional to 1,243,333.87, 1,865,000.81 and 822,511.33

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Solution

The fourth proportional to 1,243,333.87, 1,865,000.81 and 822,511.33 is: 1,233,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,333.87 : 1,865,000.81 = 822,511.33 : x
  2. Step 2: Convert to fraction form
    1,243,333.87/1,865,000.81 = 822,511.33/x
  3. Step 3: Cross multiply
    1,243,333.87x = 1,865,000.81 × 822,511.33
  4. Step 4: Simplify right side
    1,243,333.87x = 1,533,984,292,571.62
  5. Step 5: Solve for x
    x = 1,533,984,292,571.62/1,243,333.87
  6. Step 6: Final answer
    x = 1,233,767.00

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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.