Home / 957,165.22-1,320,896.86-527,460.72

Finding the Fourth Proportional to 957,165.22, 1,320,896.86 and 527,460.72

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Solution

The fourth proportional to 957,165.22, 1,320,896.86 and 527,460.72 is: 727,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,165.22 : 1,320,896.86 = 527,460.72 : x
  2. Step 2: Convert to fraction form
    957,165.22/1,320,896.86 = 527,460.72/x
  3. Step 3: Cross multiply
    957,165.22x = 1,320,896.86 × 527,460.72
  4. Step 4: Simplify right side
    957,165.22x = 696,721,208,821.34
  5. Step 5: Solve for x
    x = 696,721,208,821.34/957,165.22
  6. Step 6: Final answer
    x = 727,900.67

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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.