Home / 808,865.43-1,116,268.05-446,312.79

Finding the Fourth Proportional to 808,865.43, 1,116,268.05 and 446,312.79

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Solution

The fourth proportional to 808,865.43, 1,116,268.05 and 446,312.79 is: 615,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,865.43 : 1,116,268.05 = 446,312.79 : x
  2. Step 2: Convert to fraction form
    808,865.43/1,116,268.05 = 446,312.79/x
  3. Step 3: Cross multiply
    808,865.43x = 1,116,268.05 × 446,312.79
  4. Step 4: Simplify right side
    808,865.43x = 498,204,707,783.36
  5. Step 5: Solve for x
    x = 498,204,707,783.36/808,865.43
  6. Step 6: Final answer
    x = 615,930.28

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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.