Home / 446,268.40-615,832-242,311.36

Finding the Fourth Proportional to 446,268.40, 615,832 and 242,311.36

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Solution

The fourth proportional to 446,268.40, 615,832 and 242,311.36 is: 334,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,268.40 : 615,832 = 242,311.36 : x
  2. Step 2: Convert to fraction form
    446,268.40/615,832 = 242,311.36/x
  3. Step 3: Cross multiply
    446,268.40x = 615,832 × 242,311.36
  4. Step 4: Simplify right side
    446,268.40x = 149,223,089,451.52
  5. Step 5: Solve for x
    x = 149,223,089,451.52/446,268.40
  6. Step 6: Final answer
    x = 334,379.69

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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.