Home / 984,859.20-1,477,288.80-816,897.60

Finding the Fourth Proportional to 984,859.20, 1,477,288.80 and 816,897.60

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Solution

The fourth proportional to 984,859.20, 1,477,288.80 and 816,897.60 is: 1,225,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,859.20 : 1,477,288.80 = 816,897.60 : x
  2. Step 2: Convert to fraction form
    984,859.20/1,477,288.80 = 816,897.60/x
  3. Step 3: Cross multiply
    984,859.20x = 1,477,288.80 × 816,897.60
  4. Step 4: Simplify right side
    984,859.20x = 1,206,793,675,226.88
  5. Step 5: Solve for x
    x = 1,206,793,675,226.88/984,859.20
  6. Step 6: Final answer
    x = 1,225,346.40

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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.