Home / 470,273.55-649,175.66-317,518.43

Finding the Fourth Proportional to 470,273.55, 649,175.66 and 317,518.43

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Solution

The fourth proportional to 470,273.55, 649,175.66 and 317,518.43 is: 438,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,273.55 : 649,175.66 = 317,518.43 : x
  2. Step 2: Convert to fraction form
    470,273.55/649,175.66 = 317,518.43/x
  3. Step 3: Cross multiply
    470,273.55x = 649,175.66 × 317,518.43
  4. Step 4: Simplify right side
    470,273.55x = 206,125,234,734.48
  5. Step 5: Solve for x
    x = 206,125,234,734.48/470,273.55
  6. Step 6: Final answer
    x = 438,309.23

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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.