Home / 446,161.72-615,804.78-255,280.36

Finding the Fourth Proportional to 446,161.72, 615,804.78 and 255,280.36

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Solution

The fourth proportional to 446,161.72, 615,804.78 and 255,280.36 is: 352,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,161.72 : 615,804.78 = 255,280.36 : x
  2. Step 2: Convert to fraction form
    446,161.72/615,804.78 = 255,280.36/x
  3. Step 3: Cross multiply
    446,161.72x = 615,804.78 × 255,280.36
  4. Step 4: Simplify right side
    446,161.72x = 157,202,865,928.12
  5. Step 5: Solve for x
    x = 157,202,865,928.12/446,161.72
  6. Step 6: Final answer
    x = 352,345.03

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1.5x scale

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.