Home / 996,729.69-1,375,337.98-561,083.37

Finding the Fourth Proportional to 996,729.69, 1,375,337.98 and 561,083.37

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Solution

The fourth proportional to 996,729.69, 1,375,337.98 and 561,083.37 is: 774,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,729.69 : 1,375,337.98 = 561,083.37 : x
  2. Step 2: Convert to fraction form
    996,729.69/1,375,337.98 = 561,083.37/x
  3. Step 3: Cross multiply
    996,729.69x = 1,375,337.98 × 561,083.37
  4. Step 4: Simplify right side
    996,729.69x = 771,679,268,707.39
  5. Step 5: Solve for x
    x = 771,679,268,707.39/996,729.69
  6. Step 6: Final answer
    x = 774,211.18

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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.