Home / 957,639.85-1,321,546.99-527,910.55

Finding the Fourth Proportional to 957,639.85, 1,321,546.99 and 527,910.55

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Solution

The fourth proportional to 957,639.85, 1,321,546.99 and 527,910.55 is: 728,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,639.85 : 1,321,546.99 = 527,910.55 : x
  2. Step 2: Convert to fraction form
    957,639.85/1,321,546.99 = 527,910.55/x
  3. Step 3: Cross multiply
    957,639.85x = 1,321,546.99 × 527,910.55
  4. Step 4: Simplify right side
    957,639.85x = 697,658,595,702.19
  5. Step 5: Solve for x
    x = 697,658,595,702.19/957,639.85
  6. Step 6: Final answer
    x = 728,518.76

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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.