Home / 1,205,209.34-1,808,284.62-530,816.78

Finding the Fourth Proportional to 1,205,209.34, 1,808,284.62 and 530,816.78

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Solution

The fourth proportional to 1,205,209.34, 1,808,284.62 and 530,816.78 is: 796,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,209.34 : 1,808,284.62 = 530,816.78 : x
  2. Step 2: Convert to fraction form
    1,205,209.34/1,808,284.62 = 530,816.78/x
  3. Step 3: Cross multiply
    1,205,209.34x = 1,808,284.62 × 530,816.78
  4. Step 4: Simplify right side
    1,205,209.34x = 959,867,819,311.92
  5. Step 5: Solve for x
    x = 959,867,819,311.92/1,205,209.34
  6. Step 6: Final answer
    x = 796,432.44

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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.