Home / 905,361.08-1,248,929.78-614,987.60

Finding the Fourth Proportional to 905,361.08, 1,248,929.78 and 614,987.60

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Solution

The fourth proportional to 905,361.08, 1,248,929.78 and 614,987.60 is: 848,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,361.08 : 1,248,929.78 = 614,987.60 : x
  2. Step 2: Convert to fraction form
    905,361.08/1,248,929.78 = 614,987.60/x
  3. Step 3: Cross multiply
    905,361.08x = 1,248,929.78 × 614,987.60
  4. Step 4: Simplify right side
    905,361.08x = 768,076,327,970.73
  5. Step 5: Solve for x
    x = 768,076,327,970.73/905,361.08
  6. Step 6: Final answer
    x = 848,364.64

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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.