Home / 1,724,205.56-2,586,148.72-813,179.12

Finding the Fourth Proportional to 1,724,205.56, 2,586,148.72 and 813,179.12

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Solution

The fourth proportional to 1,724,205.56, 2,586,148.72 and 813,179.12 is: 1,219,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,205.56 : 2,586,148.72 = 813,179.12 : x
  2. Step 2: Convert to fraction form
    1,724,205.56/2,586,148.72 = 813,179.12/x
  3. Step 3: Cross multiply
    1,724,205.56x = 2,586,148.72 × 813,179.12
  4. Step 4: Simplify right side
    1,724,205.56x = 2,103,002,140,318.73
  5. Step 5: Solve for x
    x = 2,103,002,140,318.73/1,724,205.56
  6. Step 6: Final answer
    x = 1,219,693.40

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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.