Home / 1,940,950.80-2,911,512.60-661,539.60

Finding the Fourth Proportional to 1,940,950.80, 2,911,512.60 and 661,539.60

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Solution

The fourth proportional to 1,940,950.80, 2,911,512.60 and 661,539.60 is: 992,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,950.80 : 2,911,512.60 = 661,539.60 : x
  2. Step 2: Convert to fraction form
    1,940,950.80/2,911,512.60 = 661,539.60/x
  3. Step 3: Cross multiply
    1,940,950.80x = 2,911,512.60 × 661,539.60
  4. Step 4: Simplify right side
    1,940,950.80x = 1,926,080,880,798.96
  5. Step 5: Solve for x
    x = 1,926,080,880,798.96/1,940,950.80
  6. Step 6: Final answer
    x = 992,338.85

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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.