Home / 1,274,136.80-1,909,876.61-516,501.27

Finding the Fourth Proportional to 1,274,136.80, 1,909,876.61 and 516,501.27

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Solution

The fourth proportional to 1,274,136.80, 1,909,876.61 and 516,501.27 is: 774,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,136.80 : 1,909,876.61 = 516,501.27 : x
  2. Step 2: Convert to fraction form
    1,274,136.80/1,909,876.61 = 516,501.27/x
  3. Step 3: Cross multiply
    1,274,136.80x = 1,909,876.61 × 516,501.27
  4. Step 4: Simplify right side
    1,274,136.80x = 986,453,692,025.79
  5. Step 5: Solve for x
    x = 986,453,692,025.79/1,274,136.80
  6. Step 6: Final answer
    x = 774,213.33

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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.