Home / 957,647.52-1,321,562.52-527,943.06

Finding the Fourth Proportional to 957,647.52, 1,321,562.52 and 527,943.06

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Solution

The fourth proportional to 957,647.52, 1,321,562.52 and 527,943.06 is: 728,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,647.52 : 1,321,562.52 = 527,943.06 : x
  2. Step 2: Convert to fraction form
    957,647.52/1,321,562.52 = 527,943.06/x
  3. Step 3: Cross multiply
    957,647.52x = 1,321,562.52 × 527,943.06
  4. Step 4: Simplify right side
    957,647.52x = 697,709,760,790.11
  5. Step 5: Solve for x
    x = 697,709,760,790.11/957,647.52
  6. Step 6: Final answer
    x = 728,566.35

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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.