Home / 808,919.97-1,116,300.80-446,359.11

Finding the Fourth Proportional to 808,919.97, 1,116,300.80 and 446,359.11

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Solution

The fourth proportional to 808,919.97, 1,116,300.80 and 446,359.11 is: 615,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,919.97 : 1,116,300.80 = 446,359.11 : x
  2. Step 2: Convert to fraction form
    808,919.97/1,116,300.80 = 446,359.11/x
  3. Step 3: Cross multiply
    808,919.97x = 1,116,300.80 × 446,359.11
  4. Step 4: Simplify right side
    808,919.97x = 498,271,029,348.49
  5. Step 5: Solve for x
    x = 498,271,029,348.49/808,919.97
  6. Step 6: Final answer
    x = 615,970.74

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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.