Home / 946,178.32-1,418,742.42-314,747.68

Finding the Fourth Proportional to 946,178.32, 1,418,742.42 and 314,747.68

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Solution

The fourth proportional to 946,178.32, 1,418,742.42 and 314,747.68 is: 471,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,178.32 : 1,418,742.42 = 314,747.68 : x
  2. Step 2: Convert to fraction form
    946,178.32/1,418,742.42 = 314,747.68/x
  3. Step 3: Cross multiply
    946,178.32x = 1,418,742.42 × 314,747.68
  4. Step 4: Simplify right side
    946,178.32x = 446,545,885,212.59
  5. Step 5: Solve for x
    x = 446,545,885,212.59/946,178.32
  6. Step 6: Final answer
    x = 471,946.86

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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.