Home / 446,191.78-615,740.25-242,238.19

Finding the Fourth Proportional to 446,191.78, 615,740.25 and 242,238.19

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Solution

The fourth proportional to 446,191.78, 615,740.25 and 242,238.19 is: 334,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,191.78 : 615,740.25 = 242,238.19 : x
  2. Step 2: Convert to fraction form
    446,191.78/615,740.25 = 242,238.19/x
  3. Step 3: Cross multiply
    446,191.78x = 615,740.25 × 242,238.19
  4. Step 4: Simplify right side
    446,191.78x = 149,155,803,670.15
  5. Step 5: Solve for x
    x = 149,155,803,670.15/446,191.78
  6. Step 6: Final answer
    x = 334,286.31

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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.