Home / 1,314,091.94-1,971,153.70-515,749.46

Finding the Fourth Proportional to 1,314,091.94, 1,971,153.70 and 515,749.46

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Solution

The fourth proportional to 1,314,091.94, 1,971,153.70 and 515,749.46 is: 773,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,091.94 : 1,971,153.70 = 515,749.46 : x
  2. Step 2: Convert to fraction form
    1,314,091.94/1,971,153.70 = 515,749.46/x
  3. Step 3: Cross multiply
    1,314,091.94x = 1,971,153.70 × 515,749.46
  4. Step 4: Simplify right side
    1,314,091.94x = 1,016,621,445,206.86
  5. Step 5: Solve for x
    x = 1,016,621,445,206.86/1,314,091.94
  6. Step 6: Final answer
    x = 773,630.38

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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.