Home / 1,021,686.30-1,409,712.12-591,940.80

Finding the Fourth Proportional to 1,021,686.30, 1,409,712.12 and 591,940.80

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Solution

The fourth proportional to 1,021,686.30, 1,409,712.12 and 591,940.80 is: 816,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,686.30 : 1,409,712.12 = 591,940.80 : x
  2. Step 2: Convert to fraction form
    1,021,686.30/1,409,712.12 = 591,940.80/x
  3. Step 3: Cross multiply
    1,021,686.30x = 1,409,712.12 × 591,940.80
  4. Step 4: Simplify right side
    1,021,686.30x = 834,466,120,082.50
  5. Step 5: Solve for x
    x = 834,466,120,082.50/1,021,686.30
  6. Step 6: Final answer
    x = 816,753.75

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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.