Home / 693,670.90-1,040,506.35-361,203.70

Finding the Fourth Proportional to 693,670.90, 1,040,506.35 and 361,203.70

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Solution

The fourth proportional to 693,670.90, 1,040,506.35 and 361,203.70 is: 541,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,670.90 : 1,040,506.35 = 361,203.70 : x
  2. Step 2: Convert to fraction form
    693,670.90/1,040,506.35 = 361,203.70/x
  3. Step 3: Cross multiply
    693,670.90x = 1,040,506.35 × 361,203.70
  4. Step 4: Simplify right side
    693,670.90x = 375,834,743,493.50
  5. Step 5: Solve for x
    x = 375,834,743,493.50/693,670.90
  6. Step 6: Final answer
    x = 541,805.55

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Double scale
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Similar ratio
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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.