Home / 808,830.40-1,116,178.72-446,257.44

Finding the Fourth Proportional to 808,830.40, 1,116,178.72 and 446,257.44

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Solution

The fourth proportional to 808,830.40, 1,116,178.72 and 446,257.44 is: 615,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,830.40 : 1,116,178.72 = 446,257.44 : x
  2. Step 2: Convert to fraction form
    808,830.40/1,116,178.72 = 446,257.44/x
  3. Step 3: Cross multiply
    808,830.40x = 1,116,178.72 × 446,257.44
  4. Step 4: Simplify right side
    808,830.40x = 498,103,058,169.68
  5. Step 5: Solve for x
    x = 498,103,058,169.68/808,830.40
  6. Step 6: Final answer
    x = 615,831.28

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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.