Home / 470,181.20-649,015.61-279,193.23

Finding the Fourth Proportional to 470,181.20, 649,015.61 and 279,193.23

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Solution

The fourth proportional to 470,181.20, 649,015.61 and 279,193.23 is: 385,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,181.20 : 649,015.61 = 279,193.23 : x
  2. Step 2: Convert to fraction form
    470,181.20/649,015.61 = 279,193.23/x
  3. Step 3: Cross multiply
    470,181.20x = 649,015.61 × 279,193.23
  4. Step 4: Simplify right side
    470,181.20x = 181,200,763,080.35
  5. Step 5: Solve for x
    x = 181,200,763,080.35/470,181.20
  6. Step 6: Final answer
    x = 385,384.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.