Home / 930,441.06-1,395,855.27-290,718.94

Finding the Fourth Proportional to 930,441.06, 1,395,855.27 and 290,718.94

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Solution

The fourth proportional to 930,441.06, 1,395,855.27 and 290,718.94 is: 436,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,441.06 : 1,395,855.27 = 290,718.94 : x
  2. Step 2: Convert to fraction form
    930,441.06/1,395,855.27 = 290,718.94/x
  3. Step 3: Cross multiply
    930,441.06x = 1,395,855.27 × 290,718.94
  4. Step 4: Simplify right side
    930,441.06x = 405,801,564,487.81
  5. Step 5: Solve for x
    x = 405,801,564,487.81/930,441.06
  6. Step 6: Final answer
    x = 436,138.93

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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.