Home / 754,087.35-1,130,493.38-327,302.40

Finding the Fourth Proportional to 754,087.35, 1,130,493.38 and 327,302.40

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Solution

The fourth proportional to 754,087.35, 1,130,493.38 and 327,302.40 is: 490,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,087.35 : 1,130,493.38 = 327,302.40 : x
  2. Step 2: Convert to fraction form
    754,087.35/1,130,493.38 = 327,302.40/x
  3. Step 3: Cross multiply
    754,087.35x = 1,130,493.38 × 327,302.40
  4. Step 4: Simplify right side
    754,087.35x = 370,013,194,821.60
  5. Step 5: Solve for x
    x = 370,013,194,821.60/754,087.35
  6. Step 6: Final answer
    x = 490,676.84

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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.