Home / 1,078,966.40-1,618,449.60-659,062.40

Finding the Fourth Proportional to 1,078,966.40, 1,618,449.60 and 659,062.40

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Solution

The fourth proportional to 1,078,966.40, 1,618,449.60 and 659,062.40 is: 988,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,966.40 : 1,618,449.60 = 659,062.40 : x
  2. Step 2: Convert to fraction form
    1,078,966.40/1,618,449.60 = 659,062.40/x
  3. Step 3: Cross multiply
    1,078,966.40x = 1,618,449.60 × 659,062.40
  4. Step 4: Simplify right side
    1,078,966.40x = 1,066,659,277,655.04
  5. Step 5: Solve for x
    x = 1,066,659,277,655.04/1,078,966.40
  6. Step 6: Final answer
    x = 988,593.60

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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.