Home / 1,160,120.80-1,738,798.80-486,200.80

Finding the Fourth Proportional to 1,160,120.80, 1,738,798.80 and 486,200.80

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Solution

The fourth proportional to 1,160,120.80, 1,738,798.80 and 486,200.80 is: 728,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,120.80 : 1,738,798.80 = 486,200.80 : x
  2. Step 2: Convert to fraction form
    1,160,120.80/1,738,798.80 = 486,200.80/x
  3. Step 3: Cross multiply
    1,160,120.80x = 1,738,798.80 × 486,200.80
  4. Step 4: Simplify right side
    1,160,120.80x = 845,405,367,599.04
  5. Step 5: Solve for x
    x = 845,405,367,599.04/1,160,120.80
  6. Step 6: Final answer
    x = 728,721.84

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1.5x scale

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.