Home / 605,721.20-908,581.80-184,996.40

Finding the Fourth Proportional to 605,721.20, 908,581.80 and 184,996.40

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Solution

The fourth proportional to 605,721.20, 908,581.80 and 184,996.40 is: 277,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,721.20 : 908,581.80 = 184,996.40 : x
  2. Step 2: Convert to fraction form
    605,721.20/908,581.80 = 184,996.40/x
  3. Step 3: Cross multiply
    605,721.20x = 908,581.80 × 184,996.40
  4. Step 4: Simplify right side
    605,721.20x = 168,084,362,105.52
  5. Step 5: Solve for x
    x = 168,084,362,105.52/605,721.20
  6. Step 6: Final answer
    x = 277,494.60

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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.