Home / 445,008.18-614,112-263,809.16

Finding the Fourth Proportional to 445,008.18, 614,112 and 263,809.16

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Solution

The fourth proportional to 445,008.18, 614,112 and 263,809.16 is: 364,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,008.18 : 614,112 = 263,809.16 : x
  2. Step 2: Convert to fraction form
    445,008.18/614,112 = 263,809.16/x
  3. Step 3: Cross multiply
    445,008.18x = 614,112 × 263,809.16
  4. Step 4: Simplify right side
    445,008.18x = 162,008,370,865.92
  5. Step 5: Solve for x
    x = 162,008,370,865.92/445,008.18
  6. Step 6: Final answer
    x = 364,057.06

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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.