Home / 1,299,658.11-1,948,656.78-624,395.89

Finding the Fourth Proportional to 1,299,658.11, 1,948,656.78 and 624,395.89

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Solution

The fourth proportional to 1,299,658.11, 1,948,656.78 and 624,395.89 is: 936,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,658.11 : 1,948,656.78 = 624,395.89 : x
  2. Step 2: Convert to fraction form
    1,299,658.11/1,948,656.78 = 624,395.89/x
  3. Step 3: Cross multiply
    1,299,658.11x = 1,948,656.78 × 624,395.89
  4. Step 4: Simplify right side
    1,299,658.11x = 1,216,733,274,709.35
  5. Step 5: Solve for x
    x = 1,216,733,274,709.35/1,299,658.11
  6. Step 6: Final answer
    x = 936,194.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.