Home / 762,439.14-1,052,158.41-422,898.66

Finding the Fourth Proportional to 762,439.14, 1,052,158.41 and 422,898.66

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Solution

The fourth proportional to 762,439.14, 1,052,158.41 and 422,898.66 is: 583,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,439.14 : 1,052,158.41 = 422,898.66 : x
  2. Step 2: Convert to fraction form
    762,439.14/1,052,158.41 = 422,898.66/x
  3. Step 3: Cross multiply
    762,439.14x = 1,052,158.41 × 422,898.66
  4. Step 4: Simplify right side
    762,439.14x = 444,956,381,696.73
  5. Step 5: Solve for x
    x = 444,956,381,696.73/762,439.14
  6. Step 6: Final answer
    x = 583,595.93

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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.