Home / 945,450.92-1,418,188.72-314,364.73

Finding the Fourth Proportional to 945,450.92, 1,418,188.72 and 314,364.73

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Solution

The fourth proportional to 945,450.92, 1,418,188.72 and 314,364.73 is: 471,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,450.92 : 1,418,188.72 = 314,364.73 : x
  2. Step 2: Convert to fraction form
    945,450.92/1,418,188.72 = 314,364.73/x
  3. Step 3: Cross multiply
    945,450.92x = 1,418,188.72 × 314,364.73
  4. Step 4: Simplify right side
    945,450.92x = 445,828,514,051.85
  5. Step 5: Solve for x
    x = 445,828,514,051.85/945,450.92
  6. Step 6: Final answer
    x = 471,551.20

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1.5x scale

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.