Home / 697,730.56-962,977.92-425,857.28

Finding the Fourth Proportional to 697,730.56, 962,977.92 and 425,857.28

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Solution

The fourth proportional to 697,730.56, 962,977.92 and 425,857.28 is: 587,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,730.56 : 962,977.92 = 425,857.28 : x
  2. Step 2: Convert to fraction form
    697,730.56/962,977.92 = 425,857.28/x
  3. Step 3: Cross multiply
    697,730.56x = 962,977.92 × 425,857.28
  4. Step 4: Simplify right side
    697,730.56x = 410,091,157,711.26
  5. Step 5: Solve for x
    x = 410,091,157,711.26/697,730.56
  6. Step 6: Final answer
    x = 587,750.03

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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.