Home / 1,315,176.75-1,814,943.92-711,564.75

Finding the Fourth Proportional to 1,315,176.75, 1,814,943.92 and 711,564.75

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Solution

The fourth proportional to 1,315,176.75, 1,814,943.92 and 711,564.75 is: 981,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,176.75 : 1,814,943.92 = 711,564.75 : x
  2. Step 2: Convert to fraction form
    1,315,176.75/1,814,943.92 = 711,564.75/x
  3. Step 3: Cross multiply
    1,315,176.75x = 1,814,943.92 × 711,564.75
  4. Step 4: Simplify right side
    1,315,176.75x = 1,291,450,113,141.00
  5. Step 5: Solve for x
    x = 1,291,450,113,141.00/1,315,176.75
  6. Step 6: Final answer
    x = 981,959.36

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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.