Home / 656,763.40-985,145.10-236,081.80

Finding the Fourth Proportional to 656,763.40, 985,145.10 and 236,081.80

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Solution

The fourth proportional to 656,763.40, 985,145.10 and 236,081.80 is: 354,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,763.40 : 985,145.10 = 236,081.80 : x
  2. Step 2: Convert to fraction form
    656,763.40/985,145.10 = 236,081.80/x
  3. Step 3: Cross multiply
    656,763.40x = 985,145.10 × 236,081.80
  4. Step 4: Simplify right side
    656,763.40x = 232,574,828,469.18
  5. Step 5: Solve for x
    x = 232,574,828,469.18/656,763.40
  6. Step 6: Final answer
    x = 354,122.70

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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.