Home / 898,234.60-1,345,383.60-780,136.60

Finding the Fourth Proportional to 898,234.60, 1,345,383.60 and 780,136.60

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Solution

The fourth proportional to 898,234.60, 1,345,383.60 and 780,136.60 is: 1,168,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,234.60 : 1,345,383.60 = 780,136.60 : x
  2. Step 2: Convert to fraction form
    898,234.60/1,345,383.60 = 780,136.60/x
  3. Step 3: Cross multiply
    898,234.60x = 1,345,383.60 × 780,136.60
  4. Step 4: Simplify right side
    898,234.60x = 1,049,582,987,399.76
  5. Step 5: Solve for x
    x = 1,049,582,987,399.76/898,234.60
  6. Step 6: Final answer
    x = 1,168,495.39

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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.