Home / 913,784.50-1,260,847.65-591,449.86

Finding the Fourth Proportional to 913,784.50, 1,260,847.65 and 591,449.86

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Solution

The fourth proportional to 913,784.50, 1,260,847.65 and 591,449.86 is: 816,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,784.50 : 1,260,847.65 = 591,449.86 : x
  2. Step 2: Convert to fraction form
    913,784.50/1,260,847.65 = 591,449.86/x
  3. Step 3: Cross multiply
    913,784.50x = 1,260,847.65 × 591,449.86
  4. Step 4: Simplify right side
    913,784.50x = 745,728,166,073.83
  5. Step 5: Solve for x
    x = 745,728,166,073.83/913,784.50
  6. Step 6: Final answer
    x = 816,087.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.