Home / 1,485,986.60-2,050,685.34-841,389.56

Finding the Fourth Proportional to 1,485,986.60, 2,050,685.34 and 841,389.56

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Solution

The fourth proportional to 1,485,986.60, 2,050,685.34 and 841,389.56 is: 1,161,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,986.60 : 2,050,685.34 = 841,389.56 : x
  2. Step 2: Convert to fraction form
    1,485,986.60/2,050,685.34 = 841,389.56/x
  3. Step 3: Cross multiply
    1,485,986.60x = 2,050,685.34 × 841,389.56
  4. Step 4: Simplify right side
    1,485,986.60x = 1,725,425,235,921.05
  5. Step 5: Solve for x
    x = 1,725,425,235,921.05/1,485,986.60
  6. Step 6: Final answer
    x = 1,161,131.09

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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.