Home / 750,897.22-1,036,239.21-406,736.89

Finding the Fourth Proportional to 750,897.22, 1,036,239.21 and 406,736.89

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Solution

The fourth proportional to 750,897.22, 1,036,239.21 and 406,736.89 is: 561,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,897.22 : 1,036,239.21 = 406,736.89 : x
  2. Step 2: Convert to fraction form
    750,897.22/1,036,239.21 = 406,736.89/x
  3. Step 3: Cross multiply
    750,897.22x = 1,036,239.21 × 406,736.89
  4. Step 4: Simplify right side
    750,897.22x = 421,476,718,525.65
  5. Step 5: Solve for x
    x = 421,476,718,525.65/750,897.22
  6. Step 6: Final answer
    x = 561,297.48

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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.