Home / 826,576.72-1,140,628.36-463,966.80

Finding the Fourth Proportional to 826,576.72, 1,140,628.36 and 463,966.80

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Solution

The fourth proportional to 826,576.72, 1,140,628.36 and 463,966.80 is: 640,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,576.72 : 1,140,628.36 = 463,966.80 : x
  2. Step 2: Convert to fraction form
    826,576.72/1,140,628.36 = 463,966.80/x
  3. Step 3: Cross multiply
    826,576.72x = 1,140,628.36 × 463,966.80
  4. Step 4: Simplify right side
    826,576.72x = 529,213,690,178.45
  5. Step 5: Solve for x
    x = 529,213,690,178.45/826,576.72
  6. Step 6: Final answer
    x = 640,247.51

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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.