Home / 657,091.60-985,637.40-236,381.20

Finding the Fourth Proportional to 657,091.60, 985,637.40 and 236,381.20

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Solution

The fourth proportional to 657,091.60, 985,637.40 and 236,381.20 is: 354,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,091.60 : 985,637.40 = 236,381.20 : x
  2. Step 2: Convert to fraction form
    657,091.60/985,637.40 = 236,381.20/x
  3. Step 3: Cross multiply
    657,091.60x = 985,637.40 × 236,381.20
  4. Step 4: Simplify right side
    657,091.60x = 232,986,151,376.88
  5. Step 5: Solve for x
    x = 232,986,151,376.88/657,091.60
  6. Step 6: Final answer
    x = 354,571.80

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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.