Home / 808,755.79-1,116,086.70-446,179.51

Finding the Fourth Proportional to 808,755.79, 1,116,086.70 and 446,179.51

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Solution

The fourth proportional to 808,755.79, 1,116,086.70 and 446,179.51 is: 615,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,755.79 : 1,116,086.70 = 446,179.51 : x
  2. Step 2: Convert to fraction form
    808,755.79/1,116,086.70 = 446,179.51/x
  3. Step 3: Cross multiply
    808,755.79x = 1,116,086.70 × 446,179.51
  4. Step 4: Simplify right side
    808,755.79x = 497,975,020,621.03
  5. Step 5: Solve for x
    x = 497,975,020,621.03/808,755.79
  6. Step 6: Final answer
    x = 615,729.78

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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.