Home / 939,447.83-1,409,219.13-265,577.51

Finding the Fourth Proportional to 939,447.83, 1,409,219.13 and 265,577.51

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Solution

The fourth proportional to 939,447.83, 1,409,219.13 and 265,577.51 is: 398,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,447.83 : 1,409,219.13 = 265,577.51 : x
  2. Step 2: Convert to fraction form
    939,447.83/1,409,219.13 = 265,577.51/x
  3. Step 3: Cross multiply
    939,447.83x = 1,409,219.13 × 265,577.51
  4. Step 4: Simplify right side
    939,447.83x = 374,256,907,589.77
  5. Step 5: Solve for x
    x = 374,256,907,589.77/939,447.83
  6. Step 6: Final answer
    x = 398,379.66

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1.5x scale

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.