Home / 961,881.48-1,441,688.54-392,911.56

Finding the Fourth Proportional to 961,881.48, 1,441,688.54 and 392,911.56

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Solution

The fourth proportional to 961,881.48, 1,441,688.54 and 392,911.56 is: 588,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,881.48 : 1,441,688.54 = 392,911.56 : x
  2. Step 2: Convert to fraction form
    961,881.48/1,441,688.54 = 392,911.56/x
  3. Step 3: Cross multiply
    961,881.48x = 1,441,688.54 × 392,911.56
  4. Step 4: Simplify right side
    961,881.48x = 566,456,093,285.52
  5. Step 5: Solve for x
    x = 566,456,093,285.52/961,881.48
  6. Step 6: Final answer
    x = 588,904.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.