Home / 805,100.40-1,207,796.40-404,733.60

Finding the Fourth Proportional to 805,100.40, 1,207,796.40 and 404,733.60

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Solution

The fourth proportional to 805,100.40, 1,207,796.40 and 404,733.60 is: 607,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,100.40 : 1,207,796.40 = 404,733.60 : x
  2. Step 2: Convert to fraction form
    805,100.40/1,207,796.40 = 404,733.60/x
  3. Step 3: Cross multiply
    805,100.40x = 1,207,796.40 × 404,733.60
  4. Step 4: Simplify right side
    805,100.40x = 488,835,785,039.04
  5. Step 5: Solve for x
    x = 488,835,785,039.04/805,100.40
  6. Step 6: Final answer
    x = 607,173.70

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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.