Home / 816,136.80-1,143,772.52-816,136.80

Finding the Fourth Proportional to 816,136.80, 1,143,772.52 and 816,136.80

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Solution

The fourth proportional to 816,136.80, 1,143,772.52 and 816,136.80 is: 1,143,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,136.80 : 1,143,772.52 = 816,136.80 : x
  2. Step 2: Convert to fraction form
    816,136.80/1,143,772.52 = 816,136.80/x
  3. Step 3: Cross multiply
    816,136.80x = 1,143,772.52 × 816,136.80
  4. Step 4: Simplify right side
    816,136.80x = 933,474,844,400.74
  5. Step 5: Solve for x
    x = 933,474,844,400.74/816,136.80
  6. Step 6: Final answer
    x = 1,143,772.52

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.