Home / 957,343.76-1,321,080.52-527,622.56

Finding the Fourth Proportional to 957,343.76, 1,321,080.52 and 527,622.56

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Solution

The fourth proportional to 957,343.76, 1,321,080.52 and 527,622.56 is: 728,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,343.76 : 1,321,080.52 = 527,622.56 : x
  2. Step 2: Convert to fraction form
    957,343.76/1,321,080.52 = 527,622.56/x
  3. Step 3: Cross multiply
    957,343.76x = 1,321,080.52 × 527,622.56
  4. Step 4: Simplify right side
    957,343.76x = 697,031,885,928.53
  5. Step 5: Solve for x
    x = 697,031,885,928.53/957,343.76
  6. Step 6: Final answer
    x = 728,089.44

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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.