Home / 1,211,921.76-1,672,381.17-695,556.48

Finding the Fourth Proportional to 1,211,921.76, 1,672,381.17 and 695,556.48

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Solution

The fourth proportional to 1,211,921.76, 1,672,381.17 and 695,556.48 is: 959,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,921.76 : 1,672,381.17 = 695,556.48 : x
  2. Step 2: Convert to fraction form
    1,211,921.76/1,672,381.17 = 695,556.48/x
  3. Step 3: Cross multiply
    1,211,921.76x = 1,672,381.17 × 695,556.48
  4. Step 4: Simplify right side
    1,211,921.76x = 1,163,235,559,823.48
  5. Step 5: Solve for x
    x = 1,163,235,559,823.48/1,211,921.76
  6. Step 6: Final answer
    x = 959,827.27

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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.