Home / 957,675.21-1,321,601.98-527,970.72

Finding the Fourth Proportional to 957,675.21, 1,321,601.98 and 527,970.72

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Solution

The fourth proportional to 957,675.21, 1,321,601.98 and 527,970.72 is: 728,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,675.21 : 1,321,601.98 = 527,970.72 : x
  2. Step 2: Convert to fraction form
    957,675.21/1,321,601.98 = 527,970.72/x
  3. Step 3: Cross multiply
    957,675.21x = 1,321,601.98 × 527,970.72
  4. Step 4: Simplify right side
    957,675.21x = 697,767,148,604.04
  5. Step 5: Solve for x
    x = 697,767,148,604.04/957,675.21
  6. Step 6: Final answer
    x = 728,605.21

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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.