Home / 1,092,113.30-1,638,908.06-382,147.49

Finding the Fourth Proportional to 1,092,113.30, 1,638,908.06 and 382,147.49

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Solution

The fourth proportional to 1,092,113.30, 1,638,908.06 and 382,147.49 is: 573,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,113.30 : 1,638,908.06 = 382,147.49 : x
  2. Step 2: Convert to fraction form
    1,092,113.30/1,638,908.06 = 382,147.49/x
  3. Step 3: Cross multiply
    1,092,113.30x = 1,638,908.06 × 382,147.49
  4. Step 4: Simplify right side
    1,092,113.30x = 626,304,601,469.77
  5. Step 5: Solve for x
    x = 626,304,601,469.77/1,092,113.30
  6. Step 6: Final answer
    x = 573,479.51

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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.