Home / 939,153.87-1,408,786.76-362,781.57

Finding the Fourth Proportional to 939,153.87, 1,408,786.76 and 362,781.57

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Solution

The fourth proportional to 939,153.87, 1,408,786.76 and 362,781.57 is: 544,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,153.87 : 1,408,786.76 = 362,781.57 : x
  2. Step 2: Convert to fraction form
    939,153.87/1,408,786.76 = 362,781.57/x
  3. Step 3: Cross multiply
    939,153.87x = 1,408,786.76 × 362,781.57
  4. Step 4: Simplify right side
    939,153.87x = 511,081,870,774.11
  5. Step 5: Solve for x
    x = 511,081,870,774.11/939,153.87
  6. Step 6: Final answer
    x = 544,193.97

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Double scale
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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.