Home / 1,326,190.27-1,989,651.03-528,032.32

Finding the Fourth Proportional to 1,326,190.27, 1,989,651.03 and 528,032.32

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Solution

The fourth proportional to 1,326,190.27, 1,989,651.03 and 528,032.32 is: 792,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,190.27 : 1,989,651.03 = 528,032.32 : x
  2. Step 2: Convert to fraction form
    1,326,190.27/1,989,651.03 = 528,032.32/x
  3. Step 3: Cross multiply
    1,326,190.27x = 1,989,651.03 × 528,032.32
  4. Step 4: Simplify right side
    1,326,190.27x = 1,050,600,049,361.29
  5. Step 5: Solve for x
    x = 1,050,600,049,361.29/1,326,190.27
  6. Step 6: Final answer
    x = 792,194.06

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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.