Home / 1,101,713.42-1,519,984.84-618,211.46

Finding the Fourth Proportional to 1,101,713.42, 1,519,984.84 and 618,211.46

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Solution

The fourth proportional to 1,101,713.42, 1,519,984.84 and 618,211.46 is: 852,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,713.42 : 1,519,984.84 = 618,211.46 : x
  2. Step 2: Convert to fraction form
    1,101,713.42/1,519,984.84 = 618,211.46/x
  3. Step 3: Cross multiply
    1,101,713.42x = 1,519,984.84 × 618,211.46
  4. Step 4: Simplify right side
    1,101,713.42x = 939,672,047,114.27
  5. Step 5: Solve for x
    x = 939,672,047,114.27/1,101,713.42
  6. Step 6: Final answer
    x = 852,918.76

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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.