Home / 1,927,408.16-2,889,077.75-646,801.43

Finding the Fourth Proportional to 1,927,408.16, 2,889,077.75 and 646,801.43

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Solution

The fourth proportional to 1,927,408.16, 2,889,077.75 and 646,801.43 is: 969,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,408.16 : 2,889,077.75 = 646,801.43 : x
  2. Step 2: Convert to fraction form
    1,927,408.16/2,889,077.75 = 646,801.43/x
  3. Step 3: Cross multiply
    1,927,408.16x = 2,889,077.75 × 646,801.43
  4. Step 4: Simplify right side
    1,927,408.16x = 1,868,659,605,635.79
  5. Step 5: Solve for x
    x = 1,868,659,605,635.79/1,927,408.16
  6. Step 6: Final answer
    x = 969,519.40

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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.