Home / 819,625.33-1,228,693.73-286,855.73

Finding the Fourth Proportional to 819,625.33, 1,228,693.73 and 286,855.73

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Solution

The fourth proportional to 819,625.33, 1,228,693.73 and 286,855.73 is: 430,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,625.33 : 1,228,693.73 = 286,855.73 : x
  2. Step 2: Convert to fraction form
    819,625.33/1,228,693.73 = 286,855.73/x
  3. Step 3: Cross multiply
    819,625.33x = 1,228,693.73 × 286,855.73
  4. Step 4: Simplify right side
    819,625.33x = 352,457,833,895.43
  5. Step 5: Solve for x
    x = 352,457,833,895.43/819,625.33
  6. Step 6: Final answer
    x = 430,023.11

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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.