Home / 929,735.52-1,283,044.53-521,829.19

Finding the Fourth Proportional to 929,735.52, 1,283,044.53 and 521,829.19

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Solution

The fourth proportional to 929,735.52, 1,283,044.53 and 521,829.19 is: 720,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,735.52 : 1,283,044.53 = 521,829.19 : x
  2. Step 2: Convert to fraction form
    929,735.52/1,283,044.53 = 521,829.19/x
  3. Step 3: Cross multiply
    929,735.52x = 1,283,044.53 × 521,829.19
  4. Step 4: Simplify right side
    929,735.52x = 669,530,087,823.83
  5. Step 5: Solve for x
    x = 669,530,087,823.83/929,735.52
  6. Step 6: Final answer
    x = 720,129.62

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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.