Home / 693,380.40-1,040,070.60-587,092.20

Finding the Fourth Proportional to 693,380.40, 1,040,070.60 and 587,092.20

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Solution

The fourth proportional to 693,380.40, 1,040,070.60 and 587,092.20 is: 880,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,380.40 : 1,040,070.60 = 587,092.20 : x
  2. Step 2: Convert to fraction form
    693,380.40/1,040,070.60 = 587,092.20/x
  3. Step 3: Cross multiply
    693,380.40x = 1,040,070.60 × 587,092.20
  4. Step 4: Simplify right side
    693,380.40x = 610,617,336,709.32
  5. Step 5: Solve for x
    x = 610,617,336,709.32/693,380.40
  6. Step 6: Final answer
    x = 880,638.30

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1.5x scale

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.