Home / 939,153.56-1,408,786.16-362,781.18

Finding the Fourth Proportional to 939,153.56, 1,408,786.16 and 362,781.18

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Solution

The fourth proportional to 939,153.56, 1,408,786.16 and 362,781.18 is: 544,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,153.56 : 1,408,786.16 = 362,781.18 : x
  2. Step 2: Convert to fraction form
    939,153.56/1,408,786.16 = 362,781.18/x
  3. Step 3: Cross multiply
    939,153.56x = 1,408,786.16 × 362,781.18
  4. Step 4: Simplify right side
    939,153.56x = 511,081,103,678.56
  5. Step 5: Solve for x
    x = 511,081,103,678.56/939,153.56
  6. Step 6: Final answer
    x = 544,193.33

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Double scale
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Similar ratio
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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.