Home / 405,944.12-560,194.45-224,645.20

Finding the Fourth Proportional to 405,944.12, 560,194.45 and 224,645.20

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Solution

The fourth proportional to 405,944.12, 560,194.45 and 224,645.20 is: 310,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,944.12 : 560,194.45 = 224,645.20 : x
  2. Step 2: Convert to fraction form
    405,944.12/560,194.45 = 224,645.20/x
  3. Step 3: Cross multiply
    405,944.12x = 560,194.45 × 224,645.20
  4. Step 4: Simplify right side
    405,944.12x = 125,844,992,297.04
  5. Step 5: Solve for x
    x = 125,844,992,297.04/405,944.12
  6. Step 6: Final answer
    x = 310,005.70

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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.