Home / 801,954.80-1,106,697.63-439,392.39

Finding the Fourth Proportional to 801,954.80, 1,106,697.63 and 439,392.39

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Solution

The fourth proportional to 801,954.80, 1,106,697.63 and 439,392.39 is: 606,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,954.80 : 1,106,697.63 = 439,392.39 : x
  2. Step 2: Convert to fraction form
    801,954.80/1,106,697.63 = 439,392.39/x
  3. Step 3: Cross multiply
    801,954.80x = 1,106,697.63 × 439,392.39
  4. Step 4: Simplify right side
    801,954.80x = 486,274,516,653.04
  5. Step 5: Solve for x
    x = 486,274,516,653.04/801,954.80
  6. Step 6: Final answer
    x = 606,361.50

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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.