Home / 751,072.11-1,036,479.75-406,910.41

Finding the Fourth Proportional to 751,072.11, 1,036,479.75 and 406,910.41

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Solution

The fourth proportional to 751,072.11, 1,036,479.75 and 406,910.41 is: 561,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,072.11 : 1,036,479.75 = 406,910.41 : x
  2. Step 2: Convert to fraction form
    751,072.11/1,036,479.75 = 406,910.41/x
  3. Step 3: Cross multiply
    751,072.11x = 1,036,479.75 × 406,910.41
  4. Step 4: Simplify right side
    751,072.11x = 421,754,400,029.20
  5. Step 5: Solve for x
    x = 421,754,400,029.20/751,072.11
  6. Step 6: Final answer
    x = 561,536.49

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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.