Home / 629,754.18-869,027.98-357,784.33

Finding the Fourth Proportional to 629,754.18, 869,027.98 and 357,784.33

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Solution

The fourth proportional to 629,754.18, 869,027.98 and 357,784.33 is: 493,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,754.18 : 869,027.98 = 357,784.33 : x
  2. Step 2: Convert to fraction form
    629,754.18/869,027.98 = 357,784.33/x
  3. Step 3: Cross multiply
    629,754.18x = 869,027.98 × 357,784.33
  4. Step 4: Simplify right side
    629,754.18x = 310,924,593,575.55
  5. Step 5: Solve for x
    x = 310,924,593,575.55/629,754.18
  6. Step 6: Final answer
    x = 493,723.75

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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.