Home / 930,914.70-1,396,372.05-458,522.70

Finding the Fourth Proportional to 930,914.70, 1,396,372.05 and 458,522.70

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Solution

The fourth proportional to 930,914.70, 1,396,372.05 and 458,522.70 is: 687,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,914.70 : 1,396,372.05 = 458,522.70 : x
  2. Step 2: Convert to fraction form
    930,914.70/1,396,372.05 = 458,522.70/x
  3. Step 3: Cross multiply
    930,914.70x = 1,396,372.05 × 458,522.70
  4. Step 4: Simplify right side
    930,914.70x = 640,268,282,570.54
  5. Step 5: Solve for x
    x = 640,268,282,570.54/930,914.70
  6. Step 6: Final answer
    x = 687,784.05

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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.