Home / 1,180,073.80-1,770,110.70-338,710.60

Finding the Fourth Proportional to 1,180,073.80, 1,770,110.70 and 338,710.60

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Solution

The fourth proportional to 1,180,073.80, 1,770,110.70 and 338,710.60 is: 508,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,073.80 : 1,770,110.70 = 338,710.60 : x
  2. Step 2: Convert to fraction form
    1,180,073.80/1,770,110.70 = 338,710.60/x
  3. Step 3: Cross multiply
    1,180,073.80x = 1,770,110.70 × 338,710.60
  4. Step 4: Simplify right side
    1,180,073.80x = 599,555,257,263.42
  5. Step 5: Solve for x
    x = 599,555,257,263.42/1,180,073.80
  6. Step 6: Final answer
    x = 508,065.90

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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.