Home / 683,209.71-943,107.30-441,512.19

Finding the Fourth Proportional to 683,209.71, 943,107.30 and 441,512.19

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Solution

The fourth proportional to 683,209.71, 943,107.30 and 441,512.19 is: 609,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,209.71 : 943,107.30 = 441,512.19 : x
  2. Step 2: Convert to fraction form
    683,209.71/943,107.30 = 441,512.19/x
  3. Step 3: Cross multiply
    683,209.71x = 943,107.30 × 441,512.19
  4. Step 4: Simplify right side
    683,209.71x = 416,393,369,427.99
  5. Step 5: Solve for x
    x = 416,393,369,427.99/683,209.71
  6. Step 6: Final answer
    x = 609,466.41

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Half scale
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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.