Home / 1,211,919.64-1,672,524.06-668,052.76

Finding the Fourth Proportional to 1,211,919.64, 1,672,524.06 and 668,052.76

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Solution

The fourth proportional to 1,211,919.64, 1,672,524.06 and 668,052.76 is: 921,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,919.64 : 1,672,524.06 = 668,052.76 : x
  2. Step 2: Convert to fraction form
    1,211,919.64/1,672,524.06 = 668,052.76/x
  3. Step 3: Cross multiply
    1,211,919.64x = 1,672,524.06 × 668,052.76
  4. Step 4: Simplify right side
    1,211,919.64x = 1,117,334,314,449.41
  5. Step 5: Solve for x
    x = 1,117,334,314,449.41/1,211,919.64
  6. Step 6: Final answer
    x = 921,954.13

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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.