Home / 683,165.80-1,024,748.70-328,094.20

Finding the Fourth Proportional to 683,165.80, 1,024,748.70 and 328,094.20

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Solution

The fourth proportional to 683,165.80, 1,024,748.70 and 328,094.20 is: 492,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,165.80 : 1,024,748.70 = 328,094.20 : x
  2. Step 2: Convert to fraction form
    683,165.80/1,024,748.70 = 328,094.20/x
  3. Step 3: Cross multiply
    683,165.80x = 1,024,748.70 × 328,094.20
  4. Step 4: Simplify right side
    683,165.80x = 336,214,104,927.54
  5. Step 5: Solve for x
    x = 336,214,104,927.54/683,165.80
  6. Step 6: Final answer
    x = 492,141.30

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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.