Home / 1,654,431.64-2,283,171.06-919,416.90

Finding the Fourth Proportional to 1,654,431.64, 2,283,171.06 and 919,416.90

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Solution

The fourth proportional to 1,654,431.64, 2,283,171.06 and 919,416.90 is: 1,268,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,431.64 : 2,283,171.06 = 919,416.90 : x
  2. Step 2: Convert to fraction form
    1,654,431.64/2,283,171.06 = 919,416.90/x
  3. Step 3: Cross multiply
    1,654,431.64x = 2,283,171.06 × 919,416.90
  4. Step 4: Simplify right side
    1,654,431.64x = 2,099,186,058,154.91
  5. Step 5: Solve for x
    x = 2,099,186,058,154.91/1,654,431.64
  6. Step 6: Final answer
    x = 1,268,826.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.