Home / 991,857.60-1,368,764.37-539,148.60

Finding the Fourth Proportional to 991,857.60, 1,368,764.37 and 539,148.60

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Solution

The fourth proportional to 991,857.60, 1,368,764.37 and 539,148.60 is: 744,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,857.60 : 1,368,764.37 = 539,148.60 : x
  2. Step 2: Convert to fraction form
    991,857.60/1,368,764.37 = 539,148.60/x
  3. Step 3: Cross multiply
    991,857.60x = 1,368,764.37 × 539,148.60
  4. Step 4: Simplify right side
    991,857.60x = 737,967,393,815.38
  5. Step 5: Solve for x
    x = 737,967,393,815.38/991,857.60
  6. Step 6: Final answer
    x = 744,025.55

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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.