Home / 619,634.28-929,363.58-198,854.76

Finding the Fourth Proportional to 619,634.28, 929,363.58 and 198,854.76

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Solution

The fourth proportional to 619,634.28, 929,363.58 and 198,854.76 is: 298,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,634.28 : 929,363.58 = 198,854.76 : x
  2. Step 2: Convert to fraction form
    619,634.28/929,363.58 = 198,854.76/x
  3. Step 3: Cross multiply
    619,634.28x = 929,363.58 × 198,854.76
  4. Step 4: Simplify right side
    619,634.28x = 184,808,371,653.64
  5. Step 5: Solve for x
    x = 184,808,371,653.64/619,634.28
  6. Step 6: Final answer
    x = 298,253.95

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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.