Home / 1,277,583.96-1,919,157.72-772,382.85

Finding the Fourth Proportional to 1,277,583.96, 1,919,157.72 and 772,382.85

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Solution

The fourth proportional to 1,277,583.96, 1,919,157.72 and 772,382.85 is: 1,160,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,583.96 : 1,919,157.72 = 772,382.85 : x
  2. Step 2: Convert to fraction form
    1,277,583.96/1,919,157.72 = 772,382.85/x
  3. Step 3: Cross multiply
    1,277,583.96x = 1,919,157.72 × 772,382.85
  4. Step 4: Simplify right side
    1,277,583.96x = 1,482,324,509,373.10
  5. Step 5: Solve for x
    x = 1,482,324,509,373.10/1,277,583.96
  6. Step 6: Final answer
    x = 1,160,256.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.