Home / 746,701.92-1,030,446.77-407,170.17

Finding the Fourth Proportional to 746,701.92, 1,030,446.77 and 407,170.17

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Solution

The fourth proportional to 746,701.92, 1,030,446.77 and 407,170.17 is: 561,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,701.92 : 1,030,446.77 = 407,170.17 : x
  2. Step 2: Convert to fraction form
    746,701.92/1,030,446.77 = 407,170.17/x
  3. Step 3: Cross multiply
    746,701.92x = 1,030,446.77 × 407,170.17
  4. Step 4: Simplify right side
    746,701.92x = 419,567,184,481.00
  5. Step 5: Solve for x
    x = 419,567,184,481.00/746,701.92
  6. Step 6: Final answer
    x = 561,893.81

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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.