Home / 992,434.74-1,368,976.86-624,326.46

Finding the Fourth Proportional to 992,434.74, 1,368,976.86 and 624,326.46

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Solution

The fourth proportional to 992,434.74, 1,368,976.86 and 624,326.46 is: 861,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,434.74 : 1,368,976.86 = 624,326.46 : x
  2. Step 2: Convert to fraction form
    992,434.74/1,368,976.86 = 624,326.46/x
  3. Step 3: Cross multiply
    992,434.74x = 1,368,976.86 × 624,326.46
  4. Step 4: Simplify right side
    992,434.74x = 854,688,476,825.72
  5. Step 5: Solve for x
    x = 854,688,476,825.72/992,434.74
  6. Step 6: Final answer
    x = 861,203.71

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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.