Home / 421,934.76-582,270.60-230,960.22

Finding the Fourth Proportional to 421,934.76, 582,270.60 and 230,960.22

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Solution

The fourth proportional to 421,934.76, 582,270.60 and 230,960.22 is: 318,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,934.76 : 582,270.60 = 230,960.22 : x
  2. Step 2: Convert to fraction form
    421,934.76/582,270.60 = 230,960.22/x
  3. Step 3: Cross multiply
    421,934.76x = 582,270.60 × 230,960.22
  4. Step 4: Simplify right side
    421,934.76x = 134,481,345,875.53
  5. Step 5: Solve for x
    x = 134,481,345,875.53/421,934.76
  6. Step 6: Final answer
    x = 318,725.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.