Home / 1,205,135.55-1,808,173.80-530,742.92

Finding the Fourth Proportional to 1,205,135.55, 1,808,173.80 and 530,742.92

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Solution

The fourth proportional to 1,205,135.55, 1,808,173.80 and 530,742.92 is: 796,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,135.55 : 1,808,173.80 = 530,742.92 : x
  2. Step 2: Convert to fraction form
    1,205,135.55/1,808,173.80 = 530,742.92/x
  3. Step 3: Cross multiply
    1,205,135.55x = 1,808,173.80 × 530,742.92
  4. Step 4: Simplify right side
    1,205,135.55x = 959,675,433,438.63
  5. Step 5: Solve for x
    x = 959,675,433,438.63/1,205,135.55
  6. Step 6: Final answer
    x = 796,321.57

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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.