Home / 1,180,231.20-1,770,346.80-382,085.55

Finding the Fourth Proportional to 1,180,231.20, 1,770,346.80 and 382,085.55

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Solution

The fourth proportional to 1,180,231.20, 1,770,346.80 and 382,085.55 is: 573,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,231.20 : 1,770,346.80 = 382,085.55 : x
  2. Step 2: Convert to fraction form
    1,180,231.20/1,770,346.80 = 382,085.55/x
  3. Step 3: Cross multiply
    1,180,231.20x = 1,770,346.80 × 382,085.55
  4. Step 4: Simplify right side
    1,180,231.20x = 676,423,930,768.74
  5. Step 5: Solve for x
    x = 676,423,930,768.74/1,180,231.20
  6. Step 6: Final answer
    x = 573,128.33

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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.