Home / 685,693.44-1,024,370.37-443,837.16

Finding the Fourth Proportional to 685,693.44, 1,024,370.37 and 443,837.16

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Solution

The fourth proportional to 685,693.44, 1,024,370.37 and 443,837.16 is: 663,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,693.44 : 1,024,370.37 = 443,837.16 : x
  2. Step 2: Convert to fraction form
    685,693.44/1,024,370.37 = 443,837.16/x
  3. Step 3: Cross multiply
    685,693.44x = 1,024,370.37 × 443,837.16
  4. Step 4: Simplify right side
    685,693.44x = 454,653,635,808.95
  5. Step 5: Solve for x
    x = 454,653,635,808.95/685,693.44
  6. Step 6: Final answer
    x = 663,056.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.