Home / 992,434.32-1,368,348.93-839,198.52

Finding the Fourth Proportional to 992,434.32, 1,368,348.93 and 839,198.52

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Solution

The fourth proportional to 992,434.32, 1,368,348.93 and 839,198.52 is: 1,157,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,434.32 : 1,368,348.93 = 839,198.52 : x
  2. Step 2: Convert to fraction form
    992,434.32/1,368,348.93 = 839,198.52/x
  3. Step 3: Cross multiply
    992,434.32x = 1,368,348.93 × 839,198.52
  4. Step 4: Simplify right side
    992,434.32x = 1,148,316,396,899.58
  5. Step 5: Solve for x
    x = 1,148,316,396,899.58/992,434.32
  6. Step 6: Final answer
    x = 1,157,070.42

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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.