Home / 736,322.80-1,103,706.60-420,098.80

Finding the Fourth Proportional to 736,322.80, 1,103,706.60 and 420,098.80

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Solution

The fourth proportional to 736,322.80, 1,103,706.60 and 420,098.80 is: 629,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,322.80 : 1,103,706.60 = 420,098.80 : x
  2. Step 2: Convert to fraction form
    736,322.80/1,103,706.60 = 420,098.80/x
  3. Step 3: Cross multiply
    736,322.80x = 1,103,706.60 × 420,098.80
  4. Step 4: Simplify right side
    736,322.80x = 463,665,818,212.08
  5. Step 5: Solve for x
    x = 463,665,818,212.08/736,322.80
  6. Step 6: Final answer
    x = 629,704.55

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1.5x scale

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.