Home / 683,584.06-943,365.03-377,680.17

Finding the Fourth Proportional to 683,584.06, 943,365.03 and 377,680.17

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Solution

The fourth proportional to 683,584.06, 943,365.03 and 377,680.17 is: 521,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,584.06 : 943,365.03 = 377,680.17 : x
  2. Step 2: Convert to fraction form
    683,584.06/943,365.03 = 377,680.17/x
  3. Step 3: Cross multiply
    683,584.06x = 943,365.03 × 377,680.17
  4. Step 4: Simplify right side
    683,584.06x = 356,290,263,841.80
  5. Step 5: Solve for x
    x = 356,290,263,841.80/683,584.06
  6. Step 6: Final answer
    x = 521,209.15

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.