Home / 648,376.20-973,657.80-541,650.60

Finding the Fourth Proportional to 648,376.20, 973,657.80 and 541,650.60

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Solution

The fourth proportional to 648,376.20, 973,657.80 and 541,650.60 is: 813,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,376.20 : 973,657.80 = 541,650.60 : x
  2. Step 2: Convert to fraction form
    648,376.20/973,657.80 = 541,650.60/x
  3. Step 3: Cross multiply
    648,376.20x = 973,657.80 × 541,650.60
  4. Step 4: Simplify right side
    648,376.20x = 527,382,331,564.68
  5. Step 5: Solve for x
    x = 527,382,331,564.68/648,376.20
  6. Step 6: Final answer
    x = 813,389.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.