Home / 446,203.08-615,582.18-285,016.32

Finding the Fourth Proportional to 446,203.08, 615,582.18 and 285,016.32

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Solution

The fourth proportional to 446,203.08, 615,582.18 and 285,016.32 is: 393,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,203.08 : 615,582.18 = 285,016.32 : x
  2. Step 2: Convert to fraction form
    446,203.08/615,582.18 = 285,016.32/x
  3. Step 3: Cross multiply
    446,203.08x = 615,582.18 × 285,016.32
  4. Step 4: Simplify right side
    446,203.08x = 175,450,967,601.18
  5. Step 5: Solve for x
    x = 175,450,967,601.18/446,203.08
  6. Step 6: Final answer
    x = 393,208.78

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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.