Home / 928,957.56-1,281,976.38-521,150.16

Finding the Fourth Proportional to 928,957.56, 1,281,976.38 and 521,150.16

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Solution

The fourth proportional to 928,957.56, 1,281,976.38 and 521,150.16 is: 719,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,957.56 : 1,281,976.38 = 521,150.16 : x
  2. Step 2: Convert to fraction form
    928,957.56/1,281,976.38 = 521,150.16/x
  3. Step 3: Cross multiply
    928,957.56x = 1,281,976.38 × 521,150.16
  4. Step 4: Simplify right side
    928,957.56x = 668,102,195,553.22
  5. Step 5: Solve for x
    x = 668,102,195,553.22/928,957.56
  6. Step 6: Final answer
    x = 719,195.61

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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.