Home / 648,409.20-973,707.30-541,683.60

Finding the Fourth Proportional to 648,409.20, 973,707.30 and 541,683.60

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Solution

The fourth proportional to 648,409.20, 973,707.30 and 541,683.60 is: 813,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,409.20 : 973,707.30 = 541,683.60 : x
  2. Step 2: Convert to fraction form
    648,409.20/973,707.30 = 541,683.60/x
  3. Step 3: Cross multiply
    648,409.20x = 973,707.30 × 541,683.60
  4. Step 4: Simplify right side
    648,409.20x = 527,441,275,610.28
  5. Step 5: Solve for x
    x = 527,441,275,610.28/648,409.20
  6. Step 6: Final answer
    x = 813,438.91

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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.