Home / 370,614.28-511,448.14-200,848.40

Finding the Fourth Proportional to 370,614.28, 511,448.14 and 200,848.40

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Solution

The fourth proportional to 370,614.28, 511,448.14 and 200,848.40 is: 277,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,614.28 : 511,448.14 = 200,848.40 : x
  2. Step 2: Convert to fraction form
    370,614.28/511,448.14 = 200,848.40/x
  3. Step 3: Cross multiply
    370,614.28x = 511,448.14 × 200,848.40
  4. Step 4: Simplify right side
    370,614.28x = 102,723,540,601.98
  5. Step 5: Solve for x
    x = 102,723,540,601.98/370,614.28
  6. Step 6: Final answer
    x = 277,171.03

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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.