Home / 1,239,418.53-1,711,956.60-1,022,413.59

Finding the Fourth Proportional to 1,239,418.53, 1,711,956.60 and 1,022,413.59

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Solution

The fourth proportional to 1,239,418.53, 1,711,956.60 and 1,022,413.59 is: 1,412,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,418.53 : 1,711,956.60 = 1,022,413.59 : x
  2. Step 2: Convert to fraction form
    1,239,418.53/1,711,956.60 = 1,022,413.59/x
  3. Step 3: Cross multiply
    1,239,418.53x = 1,711,956.60 × 1,022,413.59
  4. Step 4: Simplify right side
    1,239,418.53x = 1,750,327,693,330.19
  5. Step 5: Solve for x
    x = 1,750,327,693,330.19/1,239,418.53
  6. Step 6: Final answer
    x = 1,412,216.82

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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.