Home / 769,856.60-1,152,597.90-727,963.40

Finding the Fourth Proportional to 769,856.60, 1,152,597.90 and 727,963.40

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Solution

The fourth proportional to 769,856.60, 1,152,597.90 and 727,963.40 is: 1,089,877.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,856.60 : 1,152,597.90 = 727,963.40 : x
  2. Step 2: Convert to fraction form
    769,856.60/1,152,597.90 = 727,963.40/x
  3. Step 3: Cross multiply
    769,856.60x = 1,152,597.90 × 727,963.40
  4. Step 4: Simplify right side
    769,856.60x = 839,049,086,116.86
  5. Step 5: Solve for x
    x = 839,049,086,116.86/769,856.60
  6. Step 6: Final answer
    x = 1,089,877.11

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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.