Home / 783,630.72-1,175,445.84-362,676.96

Finding the Fourth Proportional to 783,630.72, 1,175,445.84 and 362,676.96

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Solution

The fourth proportional to 783,630.72, 1,175,445.84 and 362,676.96 is: 544,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,630.72 : 1,175,445.84 = 362,676.96 : x
  2. Step 2: Convert to fraction form
    783,630.72/1,175,445.84 = 362,676.96/x
  3. Step 3: Cross multiply
    783,630.72x = 1,175,445.84 × 362,676.96
  4. Step 4: Simplify right side
    783,630.72x = 426,307,123,895.85
  5. Step 5: Solve for x
    x = 426,307,123,895.85/783,630.72
  6. Step 6: Final answer
    x = 544,015.33

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1.5x scale

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.