Home / 695,801.20-1,044,047.40-275,090.80

Finding the Fourth Proportional to 695,801.20, 1,044,047.40 and 275,090.80

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Solution

The fourth proportional to 695,801.20, 1,044,047.40 and 275,090.80 is: 412,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,801.20 : 1,044,047.40 = 275,090.80 : x
  2. Step 2: Convert to fraction form
    695,801.20/1,044,047.40 = 275,090.80/x
  3. Step 3: Cross multiply
    695,801.20x = 1,044,047.40 × 275,090.80
  4. Step 4: Simplify right side
    695,801.20x = 287,207,834,503.92
  5. Step 5: Solve for x
    x = 287,207,834,503.92/695,801.20
  6. Step 6: Final answer
    x = 412,772.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.