Home / 659,675.40-989,513.10-593,190.60

Finding the Fourth Proportional to 659,675.40, 989,513.10 and 593,190.60

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Solution

The fourth proportional to 659,675.40, 989,513.10 and 593,190.60 is: 889,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,675.40 : 989,513.10 = 593,190.60 : x
  2. Step 2: Convert to fraction form
    659,675.40/989,513.10 = 593,190.60/x
  3. Step 3: Cross multiply
    659,675.40x = 989,513.10 × 593,190.60
  4. Step 4: Simplify right side
    659,675.40x = 586,969,869,496.86
  5. Step 5: Solve for x
    x = 586,969,869,496.86/659,675.40
  6. Step 6: Final answer
    x = 889,785.90

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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.