Home / 845,039.69-1,266,706.59-529,718.03

Finding the Fourth Proportional to 845,039.69, 1,266,706.59 and 529,718.03

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Solution

The fourth proportional to 845,039.69, 1,266,706.59 and 529,718.03 is: 794,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,039.69 : 1,266,706.59 = 529,718.03 : x
  2. Step 2: Convert to fraction form
    845,039.69/1,266,706.59 = 529,718.03/x
  3. Step 3: Cross multiply
    845,039.69x = 1,266,706.59 × 529,718.03
  4. Step 4: Simplify right side
    845,039.69x = 670,997,313,109.29
  5. Step 5: Solve for x
    x = 670,997,313,109.29/845,039.69
  6. Step 6: Final answer
    x = 794,042.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.