Home / 389,401.10-584,101.65-241,945.10

Finding the Fourth Proportional to 389,401.10, 584,101.65 and 241,945.10

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Solution

The fourth proportional to 389,401.10, 584,101.65 and 241,945.10 is: 362,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,401.10 : 584,101.65 = 241,945.10 : x
  2. Step 2: Convert to fraction form
    389,401.10/584,101.65 = 241,945.10/x
  3. Step 3: Cross multiply
    389,401.10x = 584,101.65 × 241,945.10
  4. Step 4: Simplify right side
    389,401.10x = 141,320,532,119.42
  5. Step 5: Solve for x
    x = 141,320,532,119.42/389,401.10
  6. Step 6: Final answer
    x = 362,917.65

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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.