Home / 957,586.11-1,321,477.81-527,881.61

Finding the Fourth Proportional to 957,586.11, 1,321,477.81 and 527,881.61

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Solution

The fourth proportional to 957,586.11, 1,321,477.81 and 527,881.61 is: 728,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,586.11 : 1,321,477.81 = 527,881.61 : x
  2. Step 2: Convert to fraction form
    957,586.11/1,321,477.81 = 527,881.61/x
  3. Step 3: Cross multiply
    957,586.11x = 1,321,477.81 × 527,881.61
  4. Step 4: Simplify right side
    957,586.11x = 697,583,835,906.07
  5. Step 5: Solve for x
    x = 697,583,835,906.07/957,586.11
  6. Step 6: Final answer
    x = 728,481.58

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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.