Home / 769,040-1,151,951.36-618,464.96

Finding the Fourth Proportional to 769,040, 1,151,951.36 and 618,464.96

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Solution

The fourth proportional to 769,040, 1,151,951.36 and 618,464.96 is: 926,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,040 : 1,151,951.36 = 618,464.96 : x
  2. Step 2: Convert to fraction form
    769,040/1,151,951.36 = 618,464.96/x
  3. Step 3: Cross multiply
    769,040x = 1,151,951.36 × 618,464.96
  4. Step 4: Simplify right side
    769,040x = 712,441,551,784.35
  5. Step 5: Solve for x
    x = 712,441,551,784.35/769,040
  6. Step 6: Final answer
    x = 926,403.77

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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.