Home / 674,090.56-1,010,855.28-274,460.32

Finding the Fourth Proportional to 674,090.56, 1,010,855.28 and 274,460.32

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Solution

The fourth proportional to 674,090.56, 1,010,855.28 and 274,460.32 is: 411,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,090.56 : 1,010,855.28 = 274,460.32 : x
  2. Step 2: Convert to fraction form
    674,090.56/1,010,855.28 = 274,460.32/x
  3. Step 3: Cross multiply
    674,090.56x = 1,010,855.28 × 274,460.32
  4. Step 4: Simplify right side
    674,090.56x = 277,439,663,622.49
  5. Step 5: Solve for x
    x = 277,439,663,622.49/674,090.56
  6. Step 6: Final answer
    x = 411,576.25

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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.