Home / 405,800.07-560,183.46-242,514.18

Finding the Fourth Proportional to 405,800.07, 560,183.46 and 242,514.18

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Solution

The fourth proportional to 405,800.07, 560,183.46 and 242,514.18 is: 334,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,800.07 : 560,183.46 = 242,514.18 : x
  2. Step 2: Convert to fraction form
    405,800.07/560,183.46 = 242,514.18/x
  3. Step 3: Cross multiply
    405,800.07x = 560,183.46 × 242,514.18
  4. Step 4: Simplify right side
    405,800.07x = 135,852,432,451.46
  5. Step 5: Solve for x
    x = 135,852,432,451.46/405,800.07
  6. Step 6: Final answer
    x = 334,776.76

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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.