Home / 572,336.09-789,784.29-317,667.23

Finding the Fourth Proportional to 572,336.09, 789,784.29 and 317,667.23

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Solution

The fourth proportional to 572,336.09, 789,784.29 and 317,667.23 is: 438,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,336.09 : 789,784.29 = 317,667.23 : x
  2. Step 2: Convert to fraction form
    572,336.09/789,784.29 = 317,667.23/x
  3. Step 3: Cross multiply
    572,336.09x = 789,784.29 × 317,667.23
  4. Step 4: Simplify right side
    572,336.09x = 250,888,591,157.12
  5. Step 5: Solve for x
    x = 250,888,591,157.12/572,336.09
  6. Step 6: Final answer
    x = 438,358.85

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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.