Home / 751,161.69-1,036,594.31-406,990.89

Finding the Fourth Proportional to 751,161.69, 1,036,594.31 and 406,990.89

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Solution

The fourth proportional to 751,161.69, 1,036,594.31 and 406,990.89 is: 561,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,161.69 : 1,036,594.31 = 406,990.89 : x
  2. Step 2: Convert to fraction form
    751,161.69/1,036,594.31 = 406,990.89/x
  3. Step 3: Cross multiply
    751,161.69x = 1,036,594.31 × 406,990.89
  4. Step 4: Simplify right side
    751,161.69x = 421,884,438,760.88
  5. Step 5: Solve for x
    x = 421,884,438,760.88/751,161.69
  6. Step 6: Final answer
    x = 561,642.65

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Double scale
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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.