Home / 1,206,017.20-1,809,025.80-1,140,698.80

Finding the Fourth Proportional to 1,206,017.20, 1,809,025.80 and 1,140,698.80

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Solution

The fourth proportional to 1,206,017.20, 1,809,025.80 and 1,140,698.80 is: 1,711,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,017.20 : 1,809,025.80 = 1,140,698.80 : x
  2. Step 2: Convert to fraction form
    1,206,017.20/1,809,025.80 = 1,140,698.80/x
  3. Step 3: Cross multiply
    1,206,017.20x = 1,809,025.80 × 1,140,698.80
  4. Step 4: Simplify right side
    1,206,017.20x = 2,063,553,559,229.04
  5. Step 5: Solve for x
    x = 2,063,553,559,229.04/1,206,017.20
  6. Step 6: Final answer
    x = 1,711,048.20

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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.