Home / 694,901.11-959,063.76-400,493.55

Finding the Fourth Proportional to 694,901.11, 959,063.76 and 400,493.55

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Solution

The fourth proportional to 694,901.11, 959,063.76 and 400,493.55 is: 552,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,901.11 : 959,063.76 = 400,493.55 : x
  2. Step 2: Convert to fraction form
    694,901.11/959,063.76 = 400,493.55/x
  3. Step 3: Cross multiply
    694,901.11x = 959,063.76 × 400,493.55
  4. Step 4: Simplify right side
    694,901.11x = 384,098,849,918.75
  5. Step 5: Solve for x
    x = 384,098,849,918.75/694,901.11
  6. Step 6: Final answer
    x = 552,738.86

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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.