Home / 816,101.12-1,223,330.51-336,678.60

Finding the Fourth Proportional to 816,101.12, 1,223,330.51 and 336,678.60

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Solution

The fourth proportional to 816,101.12, 1,223,330.51 and 336,678.60 is: 504,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,101.12 : 1,223,330.51 = 336,678.60 : x
  2. Step 2: Convert to fraction form
    816,101.12/1,223,330.51 = 336,678.60/x
  3. Step 3: Cross multiply
    816,101.12x = 1,223,330.51 × 336,678.60
  4. Step 4: Simplify right side
    816,101.12x = 411,869,204,285.78
  5. Step 5: Solve for x
    x = 411,869,204,285.78/816,101.12
  6. Step 6: Final answer
    x = 504,679.13

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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.