Home / 441,738.20-662,607.30-392,749.40

Finding the Fourth Proportional to 441,738.20, 662,607.30 and 392,749.40

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Solution

The fourth proportional to 441,738.20, 662,607.30 and 392,749.40 is: 589,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,738.20 : 662,607.30 = 392,749.40 : x
  2. Step 2: Convert to fraction form
    441,738.20/662,607.30 = 392,749.40/x
  3. Step 3: Cross multiply
    441,738.20x = 662,607.30 × 392,749.40
  4. Step 4: Simplify right side
    441,738.20x = 260,238,619,510.62
  5. Step 5: Solve for x
    x = 260,238,619,510.62/441,738.20
  6. Step 6: Final answer
    x = 589,124.10

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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.