Home / 1,623,016.58-2,239,058.84-978,070.28

Finding the Fourth Proportional to 1,623,016.58, 2,239,058.84 and 978,070.28

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Solution

The fourth proportional to 1,623,016.58, 2,239,058.84 and 978,070.28 is: 1,349,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,016.58 : 2,239,058.84 = 978,070.28 : x
  2. Step 2: Convert to fraction form
    1,623,016.58/2,239,058.84 = 978,070.28/x
  3. Step 3: Cross multiply
    1,623,016.58x = 2,239,058.84 × 978,070.28
  4. Step 4: Simplify right side
    1,623,016.58x = 2,189,956,890,489.63
  5. Step 5: Solve for x
    x = 2,189,956,890,489.63/1,623,016.58
  6. Step 6: Final answer
    x = 1,349,312.71

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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.