Home / 685,832.16-1,024,576.92-443,975.76

Finding the Fourth Proportional to 685,832.16, 1,024,576.92 and 443,975.76

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Solution

The fourth proportional to 685,832.16, 1,024,576.92 and 443,975.76 is: 663,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,832.16 : 1,024,576.92 = 443,975.76 : x
  2. Step 2: Convert to fraction form
    685,832.16/1,024,576.92 = 443,975.76/x
  3. Step 3: Cross multiply
    685,832.16x = 1,024,576.92 × 443,975.76
  4. Step 4: Simplify right side
    685,832.16x = 454,887,316,735.46
  5. Step 5: Solve for x
    x = 454,887,316,735.46/685,832.16
  6. Step 6: Final answer
    x = 663,263.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.