Home / 845,040.69-1,266,708.09-529,719.03

Finding the Fourth Proportional to 845,040.69, 1,266,708.09 and 529,719.03

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Solution

The fourth proportional to 845,040.69, 1,266,708.09 and 529,719.03 is: 794,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,040.69 : 1,266,708.09 = 529,719.03 : x
  2. Step 2: Convert to fraction form
    845,040.69/1,266,708.09 = 529,719.03/x
  3. Step 3: Cross multiply
    845,040.69x = 1,266,708.09 × 529,719.03
  4. Step 4: Simplify right side
    845,040.69x = 670,999,380,727.95
  5. Step 5: Solve for x
    x = 670,999,380,727.95/845,040.69
  6. Step 6: Final answer
    x = 794,043.87

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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.