Home / 1,315,808.44-1,815,821.10-712,196.44

Finding the Fourth Proportional to 1,315,808.44, 1,815,821.10 and 712,196.44

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Solution

The fourth proportional to 1,315,808.44, 1,815,821.10 and 712,196.44 is: 982,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,808.44 : 1,815,821.10 = 712,196.44 : x
  2. Step 2: Convert to fraction form
    1,315,808.44/1,815,821.10 = 712,196.44/x
  3. Step 3: Cross multiply
    1,315,808.44x = 1,815,821.10 × 712,196.44
  4. Step 4: Simplify right side
    1,315,808.44x = 1,293,221,323,096.88
  5. Step 5: Solve for x
    x = 1,293,221,323,096.88/1,315,808.44
  6. Step 6: Final answer
    x = 982,834.04

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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.