Home / 1,177,078.88-1,624,256.64-660,714.53

Finding the Fourth Proportional to 1,177,078.88, 1,624,256.64 and 660,714.53

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Solution

The fourth proportional to 1,177,078.88, 1,624,256.64 and 660,714.53 is: 911,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,078.88 : 1,624,256.64 = 660,714.53 : x
  2. Step 2: Convert to fraction form
    1,177,078.88/1,624,256.64 = 660,714.53/x
  3. Step 3: Cross multiply
    1,177,078.88x = 1,624,256.64 × 660,714.53
  4. Step 4: Simplify right side
    1,177,078.88x = 1,073,169,954,375.70
  5. Step 5: Solve for x
    x = 1,073,169,954,375.70/1,177,078.88
  6. Step 6: Final answer
    x = 911,723.05

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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.