Home / 992,435.32-1,368,350.31-839,199.52

Finding the Fourth Proportional to 992,435.32, 1,368,350.31 and 839,199.52

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Solution

The fourth proportional to 992,435.32, 1,368,350.31 and 839,199.52 is: 1,157,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,435.32 : 1,368,350.31 = 839,199.52 : x
  2. Step 2: Convert to fraction form
    992,435.32/1,368,350.31 = 839,199.52/x
  3. Step 3: Cross multiply
    992,435.32x = 1,368,350.31 × 839,199.52
  4. Step 4: Simplify right side
    992,435.32x = 1,148,318,923,343.85
  5. Step 5: Solve for x
    x = 1,148,318,923,343.85/992,435.32
  6. Step 6: Final answer
    x = 1,157,071.80

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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.