Home / 353,444.77-487,716.85-200,434.04

Finding the Fourth Proportional to 353,444.77, 487,716.85 and 200,434.04

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Solution

The fourth proportional to 353,444.77, 487,716.85 and 200,434.04 is: 276,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,444.77 : 487,716.85 = 200,434.04 : x
  2. Step 2: Convert to fraction form
    353,444.77/487,716.85 = 200,434.04/x
  3. Step 3: Cross multiply
    353,444.77x = 487,716.85 × 200,434.04
  4. Step 4: Simplify right side
    353,444.77x = 97,755,059,878.44
  5. Step 5: Solve for x
    x = 97,755,059,878.44/353,444.77
  6. Step 6: Final answer
    x = 276,578.04

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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.