Home / 619,034.68-928,552.32-408,623.44

Finding the Fourth Proportional to 619,034.68, 928,552.32 and 408,623.44

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Solution

The fourth proportional to 619,034.68, 928,552.32 and 408,623.44 is: 612,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,034.68 : 928,552.32 = 408,623.44 : x
  2. Step 2: Convert to fraction form
    619,034.68/928,552.32 = 408,623.44/x
  3. Step 3: Cross multiply
    619,034.68x = 928,552.32 × 408,623.44
  4. Step 4: Simplify right side
    619,034.68x = 379,428,243,218.38
  5. Step 5: Solve for x
    x = 379,428,243,218.38/619,034.68
  6. Step 6: Final answer
    x = 612,935.36

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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.