Home / 619,633.28-929,362.08-198,853.76

Finding the Fourth Proportional to 619,633.28, 929,362.08 and 198,853.76

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Solution

The fourth proportional to 619,633.28, 929,362.08 and 198,853.76 is: 298,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,633.28 : 929,362.08 = 198,853.76 : x
  2. Step 2: Convert to fraction form
    619,633.28/929,362.08 = 198,853.76/x
  3. Step 3: Cross multiply
    619,633.28x = 929,362.08 × 198,853.76
  4. Step 4: Simplify right side
    619,633.28x = 184,807,144,009.42
  5. Step 5: Solve for x
    x = 184,807,144,009.42/619,633.28
  6. Step 6: Final answer
    x = 298,252.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.