Home / 881,996.40-1,322,994.60-439,628.40

Finding the Fourth Proportional to 881,996.40, 1,322,994.60 and 439,628.40

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Solution

The fourth proportional to 881,996.40, 1,322,994.60 and 439,628.40 is: 659,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,996.40 : 1,322,994.60 = 439,628.40 : x
  2. Step 2: Convert to fraction form
    881,996.40/1,322,994.60 = 439,628.40/x
  3. Step 3: Cross multiply
    881,996.40x = 1,322,994.60 × 439,628.40
  4. Step 4: Simplify right side
    881,996.40x = 581,625,999,206.64
  5. Step 5: Solve for x
    x = 581,625,999,206.64/881,996.40
  6. Step 6: Final answer
    x = 659,442.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.