Home / 657,123.40-985,685.10-590,638.60

Finding the Fourth Proportional to 657,123.40, 985,685.10 and 590,638.60

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Solution

The fourth proportional to 657,123.40, 985,685.10 and 590,638.60 is: 885,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,123.40 : 985,685.10 = 590,638.60 : x
  2. Step 2: Convert to fraction form
    657,123.40/985,685.10 = 590,638.60/x
  3. Step 3: Cross multiply
    657,123.40x = 985,685.10 × 590,638.60
  4. Step 4: Simplify right side
    657,123.40x = 582,183,667,504.86
  5. Step 5: Solve for x
    x = 582,183,667,504.86/657,123.40
  6. Step 6: Final answer
    x = 885,957.90

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Double scale
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Similar ratio
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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.