Home / 690,676.40-1,036,014.60-504,052.40

Finding the Fourth Proportional to 690,676.40, 1,036,014.60 and 504,052.40

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Solution

The fourth proportional to 690,676.40, 1,036,014.60 and 504,052.40 is: 756,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,676.40 : 1,036,014.60 = 504,052.40 : x
  2. Step 2: Convert to fraction form
    690,676.40/1,036,014.60 = 504,052.40/x
  3. Step 3: Cross multiply
    690,676.40x = 1,036,014.60 × 504,052.40
  4. Step 4: Simplify right side
    690,676.40x = 522,205,645,565.04
  5. Step 5: Solve for x
    x = 522,205,645,565.04/690,676.40
  6. Step 6: Final answer
    x = 756,078.60

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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.