Home / 383,513.04-529,249.28-211,427.10

Finding the Fourth Proportional to 383,513.04, 529,249.28 and 211,427.10

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Solution

The fourth proportional to 383,513.04, 529,249.28 and 211,427.10 is: 291,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,513.04 : 529,249.28 = 211,427.10 : x
  2. Step 2: Convert to fraction form
    383,513.04/529,249.28 = 211,427.10/x
  3. Step 3: Cross multiply
    383,513.04x = 529,249.28 × 211,427.10
  4. Step 4: Simplify right side
    383,513.04x = 111,897,639,390.35
  5. Step 5: Solve for x
    x = 111,897,639,390.35/383,513.04
  6. Step 6: Final answer
    x = 291,770.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.