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Finding the Fourth Proportional to 1,447,797.18, 1,998,054.74 and 835,975.73

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Solution

The fourth proportional to 1,447,797.18, 1,998,054.74 and 835,975.73 is: 1,153,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,797.18 : 1,998,054.74 = 835,975.73 : x
  2. Step 2: Convert to fraction form
    1,447,797.18/1,998,054.74 = 835,975.73/x
  3. Step 3: Cross multiply
    1,447,797.18x = 1,998,054.74 × 835,975.73
  4. Step 4: Simplify right side
    1,447,797.18x = 1,670,325,270,666.72
  5. Step 5: Solve for x
    x = 1,670,325,270,666.72/1,447,797.18
  6. Step 6: Final answer
    x = 1,153,701.15

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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.