Home / 992,003.63-1,368,974.72-539,304.35

Finding the Fourth Proportional to 992,003.63, 1,368,974.72 and 539,304.35

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Solution

The fourth proportional to 992,003.63, 1,368,974.72 and 539,304.35 is: 744,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,003.63 : 1,368,974.72 = 539,304.35 : x
  2. Step 2: Convert to fraction form
    992,003.63/1,368,974.72 = 539,304.35/x
  3. Step 3: Cross multiply
    992,003.63x = 1,368,974.72 × 539,304.35
  4. Step 4: Simplify right side
    992,003.63x = 738,294,016,039.42
  5. Step 5: Solve for x
    x = 738,294,016,039.42/992,003.63
  6. Step 6: Final answer
    x = 744,245.28

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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.