Home / 694,900.11-959,062.38-400,492.55

Finding the Fourth Proportional to 694,900.11, 959,062.38 and 400,492.55

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Solution

The fourth proportional to 694,900.11, 959,062.38 and 400,492.55 is: 552,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,900.11 : 959,062.38 = 400,492.55 : x
  2. Step 2: Convert to fraction form
    694,900.11/959,062.38 = 400,492.55/x
  3. Step 3: Cross multiply
    694,900.11x = 959,062.38 × 400,492.55
  4. Step 4: Simplify right side
    694,900.11x = 384,097,339,071.08
  5. Step 5: Solve for x
    x = 384,097,339,071.08/694,900.11
  6. Step 6: Final answer
    x = 552,737.48

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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.