Home / 455,241.30-682,861.95-155,622.30

Finding the Fourth Proportional to 455,241.30, 682,861.95 and 155,622.30

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Solution

The fourth proportional to 455,241.30, 682,861.95 and 155,622.30 is: 233,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,241.30 : 682,861.95 = 155,622.30 : x
  2. Step 2: Convert to fraction form
    455,241.30/682,861.95 = 155,622.30/x
  3. Step 3: Cross multiply
    455,241.30x = 682,861.95 × 155,622.30
  4. Step 4: Simplify right side
    455,241.30x = 106,268,547,241.49
  5. Step 5: Solve for x
    x = 106,268,547,241.49/455,241.30
  6. Step 6: Final answer
    x = 233,433.45

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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.