Home / 957,519.78-1,321,360.86-527,839.92

Finding the Fourth Proportional to 957,519.78, 1,321,360.86 and 527,839.92

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Solution

The fourth proportional to 957,519.78, 1,321,360.86 and 527,839.92 is: 728,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,519.78 : 1,321,360.86 = 527,839.92 : x
  2. Step 2: Convert to fraction form
    957,519.78/1,321,360.86 = 527,839.92/x
  3. Step 3: Cross multiply
    957,519.78x = 1,321,360.86 × 527,839.92
  4. Step 4: Simplify right side
    957,519.78x = 697,467,010,633.53
  5. Step 5: Solve for x
    x = 697,467,010,633.53/957,519.78
  6. Step 6: Final answer
    x = 728,410.03

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1.5x scale

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.