Home / 1,314,091.56-1,971,153.14-515,749.08

Finding the Fourth Proportional to 1,314,091.56, 1,971,153.14 and 515,749.08

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Solution

The fourth proportional to 1,314,091.56, 1,971,153.14 and 515,749.08 is: 773,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,091.56 : 1,971,153.14 = 515,749.08 : x
  2. Step 2: Convert to fraction form
    1,314,091.56/1,971,153.14 = 515,749.08/x
  3. Step 3: Cross multiply
    1,314,091.56x = 1,971,153.14 × 515,749.08
  4. Step 4: Simplify right side
    1,314,091.56x = 1,016,620,415,915.37
  5. Step 5: Solve for x
    x = 1,016,620,415,915.37/1,314,091.56
  6. Step 6: Final answer
    x = 773,629.82

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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.