Home / 751,164.69-1,036,598.45-406,993.89

Finding the Fourth Proportional to 751,164.69, 1,036,598.45 and 406,993.89

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Solution

The fourth proportional to 751,164.69, 1,036,598.45 and 406,993.89 is: 561,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,164.69 : 1,036,598.45 = 406,993.89 : x
  2. Step 2: Convert to fraction form
    751,164.69/1,036,598.45 = 406,993.89/x
  3. Step 3: Cross multiply
    751,164.69x = 1,036,598.45 × 406,993.89
  4. Step 4: Simplify right side
    751,164.69x = 421,889,233,498.50
  5. Step 5: Solve for x
    x = 421,889,233,498.50/751,164.69
  6. Step 6: Final answer
    x = 561,646.79

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Double scale
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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.