Home / 843,145.47-1,164,102.44-499,093.11

Finding the Fourth Proportional to 843,145.47, 1,164,102.44 and 499,093.11

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Solution

The fourth proportional to 843,145.47, 1,164,102.44 and 499,093.11 is: 689,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,145.47 : 1,164,102.44 = 499,093.11 : x
  2. Step 2: Convert to fraction form
    843,145.47/1,164,102.44 = 499,093.11/x
  3. Step 3: Cross multiply
    843,145.47x = 1,164,102.44 × 499,093.11
  4. Step 4: Simplify right side
    843,145.47x = 580,995,504,642.72
  5. Step 5: Solve for x
    x = 580,995,504,642.72/843,145.47
  6. Step 6: Final answer
    x = 689,080.98

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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.