Home / 808,781.40-1,116,107.73-446,220.54

Finding the Fourth Proportional to 808,781.40, 1,116,107.73 and 446,220.54

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Solution

The fourth proportional to 808,781.40, 1,116,107.73 and 446,220.54 is: 615,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,781.40 : 1,116,107.73 = 446,220.54 : x
  2. Step 2: Convert to fraction form
    808,781.40/1,116,107.73 = 446,220.54/x
  3. Step 3: Cross multiply
    808,781.40x = 1,116,107.73 × 446,220.54
  4. Step 4: Simplify right side
    808,781.40x = 498,030,193,978.77
  5. Step 5: Solve for x
    x = 498,030,193,978.77/808,781.40
  6. Step 6: Final answer
    x = 615,778.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.