Home / 808,800.32-1,116,137.22-446,227.40

Finding the Fourth Proportional to 808,800.32, 1,116,137.22 and 446,227.40

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Solution

The fourth proportional to 808,800.32, 1,116,137.22 and 446,227.40 is: 615,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,800.32 : 1,116,137.22 = 446,227.40 : x
  2. Step 2: Convert to fraction form
    808,800.32/1,116,137.22 = 446,227.40/x
  3. Step 3: Cross multiply
    808,800.32x = 1,116,137.22 × 446,227.40
  4. Step 4: Simplify right side
    808,800.32x = 498,051,009,723.83
  5. Step 5: Solve for x
    x = 498,051,009,723.83/808,800.32
  6. Step 6: Final answer
    x = 615,789.83

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Double scale
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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.