Home / 846,845.78-1,168,616.94-479,315.03

Finding the Fourth Proportional to 846,845.78, 1,168,616.94 and 479,315.03

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Solution

The fourth proportional to 846,845.78, 1,168,616.94 and 479,315.03 is: 661,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,845.78 : 1,168,616.94 = 479,315.03 : x
  2. Step 2: Convert to fraction form
    846,845.78/1,168,616.94 = 479,315.03/x
  3. Step 3: Cross multiply
    846,845.78x = 1,168,616.94 × 479,315.03
  4. Step 4: Simplify right side
    846,845.78x = 560,135,663,654.61
  5. Step 5: Solve for x
    x = 560,135,663,654.61/846,845.78
  6. Step 6: Final answer
    x = 661,437.63

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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.