Home / 984,905.20-1,477,357.80-816,943.60

Finding the Fourth Proportional to 984,905.20, 1,477,357.80 and 816,943.60

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Solution

The fourth proportional to 984,905.20, 1,477,357.80 and 816,943.60 is: 1,225,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,905.20 : 1,477,357.80 = 816,943.60 : x
  2. Step 2: Convert to fraction form
    984,905.20/1,477,357.80 = 816,943.60/x
  3. Step 3: Cross multiply
    984,905.20x = 1,477,357.80 × 816,943.60
  4. Step 4: Simplify right side
    984,905.20x = 1,206,917,999,620.08
  5. Step 5: Solve for x
    x = 1,206,917,999,620.08/984,905.20
  6. Step 6: Final answer
    x = 1,225,415.40

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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.