Home / 470,448.05-649,171.40-266,458.23

Finding the Fourth Proportional to 470,448.05, 649,171.40 and 266,458.23

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Solution

The fourth proportional to 470,448.05, 649,171.40 and 266,458.23 is: 367,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,448.05 : 649,171.40 = 266,458.23 : x
  2. Step 2: Convert to fraction form
    470,448.05/649,171.40 = 266,458.23/x
  3. Step 3: Cross multiply
    470,448.05x = 649,171.40 × 266,458.23
  4. Step 4: Simplify right side
    470,448.05x = 172,977,060,878.33
  5. Step 5: Solve for x
    x = 172,977,060,878.33/470,448.05
  6. Step 6: Final answer
    x = 367,685.79

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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.