Home / 898,218.60-1,345,359.60-780,120.60

Finding the Fourth Proportional to 898,218.60, 1,345,359.60 and 780,120.60

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Solution

The fourth proportional to 898,218.60, 1,345,359.60 and 780,120.60 is: 1,168,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,218.60 : 1,345,359.60 = 780,120.60 : x
  2. Step 2: Convert to fraction form
    898,218.60/1,345,359.60 = 780,120.60/x
  3. Step 3: Cross multiply
    898,218.60x = 1,345,359.60 × 780,120.60
  4. Step 4: Simplify right side
    898,218.60x = 1,049,542,738,367.76
  5. Step 5: Solve for x
    x = 1,049,542,738,367.76/898,218.60
  6. Step 6: Final answer
    x = 1,168,471.39

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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.