Home / 1,164,885.72-1,608,038.26-783,133.88

Finding the Fourth Proportional to 1,164,885.72, 1,608,038.26 and 783,133.88

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Solution

The fourth proportional to 1,164,885.72, 1,608,038.26 and 783,133.88 is: 1,081,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,885.72 : 1,608,038.26 = 783,133.88 : x
  2. Step 2: Convert to fraction form
    1,164,885.72/1,608,038.26 = 783,133.88/x
  3. Step 3: Cross multiply
    1,164,885.72x = 1,608,038.26 × 783,133.88
  4. Step 4: Simplify right side
    1,164,885.72x = 1,259,309,241,742.25
  5. Step 5: Solve for x
    x = 1,259,309,241,742.25/1,164,885.72
  6. Step 6: Final answer
    x = 1,081,058.18

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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.