Home / 1,227,858.60-1,842,037.92-517,889.28

Finding the Fourth Proportional to 1,227,858.60, 1,842,037.92 and 517,889.28

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Solution

The fourth proportional to 1,227,858.60, 1,842,037.92 and 517,889.28 is: 776,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,858.60 : 1,842,037.92 = 517,889.28 : x
  2. Step 2: Convert to fraction form
    1,227,858.60/1,842,037.92 = 517,889.28/x
  3. Step 3: Cross multiply
    1,227,858.60x = 1,842,037.92 × 517,889.28
  4. Step 4: Simplify right side
    1,227,858.60x = 953,971,692,121.50
  5. Step 5: Solve for x
    x = 953,971,692,121.50/1,227,858.60
  6. Step 6: Final answer
    x = 776,939.37

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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.