Home / 838,199.27-1,257,345.38-239,114.36

Finding the Fourth Proportional to 838,199.27, 1,257,345.38 and 239,114.36

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Solution

The fourth proportional to 838,199.27, 1,257,345.38 and 239,114.36 is: 358,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,199.27 : 1,257,345.38 = 239,114.36 : x
  2. Step 2: Convert to fraction form
    838,199.27/1,257,345.38 = 239,114.36/x
  3. Step 3: Cross multiply
    838,199.27x = 1,257,345.38 × 239,114.36
  4. Step 4: Simplify right side
    838,199.27x = 300,649,339,578.81
  5. Step 5: Solve for x
    x = 300,649,339,578.81/838,199.27
  6. Step 6: Final answer
    x = 358,684.80

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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.