Home / 1,901,201.60-2,852,234.40-639,156.80

Finding the Fourth Proportional to 1,901,201.60, 2,852,234.40 and 639,156.80

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Solution

The fourth proportional to 1,901,201.60, 2,852,234.40 and 639,156.80 is: 958,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,201.60 : 2,852,234.40 = 639,156.80 : x
  2. Step 2: Convert to fraction form
    1,901,201.60/2,852,234.40 = 639,156.80/x
  3. Step 3: Cross multiply
    1,901,201.60x = 2,852,234.40 × 639,156.80
  4. Step 4: Simplify right side
    1,901,201.60x = 1,823,025,011,953.92
  5. Step 5: Solve for x
    x = 1,823,025,011,953.92/1,901,201.60
  6. Step 6: Final answer
    x = 958,880.43

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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.