Home / 898,245.60-1,345,400.10-780,147.60

Finding the Fourth Proportional to 898,245.60, 1,345,400.10 and 780,147.60

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Solution

The fourth proportional to 898,245.60, 1,345,400.10 and 780,147.60 is: 1,168,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,245.60 : 1,345,400.10 = 780,147.60 : x
  2. Step 2: Convert to fraction form
    898,245.60/1,345,400.10 = 780,147.60/x
  3. Step 3: Cross multiply
    898,245.60x = 1,345,400.10 × 780,147.60
  4. Step 4: Simplify right side
    898,245.60x = 1,049,610,659,054.76
  5. Step 5: Solve for x
    x = 1,049,610,659,054.76/898,245.60
  6. Step 6: Final answer
    x = 1,168,511.88

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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.