Home / 856,254.60-1,284,576.30-501,085.80

Finding the Fourth Proportional to 856,254.60, 1,284,576.30 and 501,085.80

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Solution

The fourth proportional to 856,254.60, 1,284,576.30 and 501,085.80 is: 751,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,254.60 : 1,284,576.30 = 501,085.80 : x
  2. Step 2: Convert to fraction form
    856,254.60/1,284,576.30 = 501,085.80/x
  3. Step 3: Cross multiply
    856,254.60x = 1,284,576.30 × 501,085.80
  4. Step 4: Simplify right side
    856,254.60x = 643,682,942,946.54
  5. Step 5: Solve for x
    x = 643,682,942,946.54/856,254.60
  6. Step 6: Final answer
    x = 751,742.46

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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.