Home / 370,384.46-511,130.58-200,618.64

Finding the Fourth Proportional to 370,384.46, 511,130.58 and 200,618.64

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Solution

The fourth proportional to 370,384.46, 511,130.58 and 200,618.64 is: 276,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,384.46 : 511,130.58 = 200,618.64 : x
  2. Step 2: Convert to fraction form
    370,384.46/511,130.58 = 200,618.64/x
  3. Step 3: Cross multiply
    370,384.46x = 511,130.58 × 200,618.64
  4. Step 4: Simplify right side
    370,384.46x = 102,542,321,822.01
  5. Step 5: Solve for x
    x = 102,542,321,822.01/370,384.46
  6. Step 6: Final answer
    x = 276,853.74

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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.