Home / 881,000.64-1,321,485.36-333,998.40

Finding the Fourth Proportional to 881,000.64, 1,321,485.36 and 333,998.40

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Solution

The fourth proportional to 881,000.64, 1,321,485.36 and 333,998.40 is: 500,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,000.64 : 1,321,485.36 = 333,998.40 : x
  2. Step 2: Convert to fraction form
    881,000.64/1,321,485.36 = 333,998.40/x
  3. Step 3: Cross multiply
    881,000.64x = 1,321,485.36 × 333,998.40
  4. Step 4: Simplify right side
    881,000.64x = 441,373,995,863.42
  5. Step 5: Solve for x
    x = 441,373,995,863.42/881,000.64
  6. Step 6: Final answer
    x = 500,991.69

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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.