Home / 1,237,336.80-1,856,003.76-338,785.44

Finding the Fourth Proportional to 1,237,336.80, 1,856,003.76 and 338,785.44

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Solution

The fourth proportional to 1,237,336.80, 1,856,003.76 and 338,785.44 is: 508,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,336.80 : 1,856,003.76 = 338,785.44 : x
  2. Step 2: Convert to fraction form
    1,237,336.80/1,856,003.76 = 338,785.44/x
  3. Step 3: Cross multiply
    1,237,336.80x = 1,856,003.76 × 338,785.44
  4. Step 4: Simplify right side
    1,237,336.80x = 628,787,050,473.25
  5. Step 5: Solve for x
    x = 628,787,050,473.25/1,237,336.80
  6. Step 6: Final answer
    x = 508,177.77

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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.