Home / 937,278.18-1,405,626.48-338,161.44

Finding the Fourth Proportional to 937,278.18, 1,405,626.48 and 338,161.44

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Solution

The fourth proportional to 937,278.18, 1,405,626.48 and 338,161.44 is: 507,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,278.18 : 1,405,626.48 = 338,161.44 : x
  2. Step 2: Convert to fraction form
    937,278.18/1,405,626.48 = 338,161.44/x
  3. Step 3: Cross multiply
    937,278.18x = 1,405,626.48 × 338,161.44
  4. Step 4: Simplify right side
    937,278.18x = 475,328,674,578.93
  5. Step 5: Solve for x
    x = 475,328,674,578.93/937,278.18
  6. Step 6: Final answer
    x = 507,137.25

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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.