Home / 563,521.20-777,738.96-348,730.50

Finding the Fourth Proportional to 563,521.20, 777,738.96 and 348,730.50

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Solution

The fourth proportional to 563,521.20, 777,738.96 and 348,730.50 is: 481,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,521.20 : 777,738.96 = 348,730.50 : x
  2. Step 2: Convert to fraction form
    563,521.20/777,738.96 = 348,730.50/x
  3. Step 3: Cross multiply
    563,521.20x = 777,738.96 × 348,730.50
  4. Step 4: Simplify right side
    563,521.20x = 271,221,296,390.28
  5. Step 5: Solve for x
    x = 271,221,296,390.28/563,521.20
  6. Step 6: Final answer
    x = 481,297.41

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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.