Home / 1,326,398.44-1,830,432.18-722,786.44

Finding the Fourth Proportional to 1,326,398.44, 1,830,432.18 and 722,786.44

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Solution

The fourth proportional to 1,326,398.44, 1,830,432.18 and 722,786.44 is: 997,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,398.44 : 1,830,432.18 = 722,786.44 : x
  2. Step 2: Convert to fraction form
    1,326,398.44/1,830,432.18 = 722,786.44/x
  3. Step 3: Cross multiply
    1,326,398.44x = 1,830,432.18 × 722,786.44
  4. Step 4: Simplify right side
    1,326,398.44x = 1,323,011,559,043.64
  5. Step 5: Solve for x
    x = 1,323,011,559,043.64/1,326,398.44
  6. Step 6: Final answer
    x = 997,446.56

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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.