Home / 1,419,740.28-1,959,413.40-808,041.78

Finding the Fourth Proportional to 1,419,740.28, 1,959,413.40 and 808,041.78

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Solution

The fourth proportional to 1,419,740.28, 1,959,413.40 and 808,041.78 is: 1,115,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,740.28 : 1,959,413.40 = 808,041.78 : x
  2. Step 2: Convert to fraction form
    1,419,740.28/1,959,413.40 = 808,041.78/x
  3. Step 3: Cross multiply
    1,419,740.28x = 1,959,413.40 × 808,041.78
  4. Step 4: Simplify right side
    1,419,740.28x = 1,583,287,891,491.85
  5. Step 5: Solve for x
    x = 1,583,287,891,491.85/1,419,740.28
  6. Step 6: Final answer
    x = 1,115,195.44

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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.