Home / 383,374.40-529,035.08-211,291.83

Finding the Fourth Proportional to 383,374.40, 529,035.08 and 211,291.83

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Solution

The fourth proportional to 383,374.40, 529,035.08 and 211,291.83 is: 291,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,374.40 : 529,035.08 = 211,291.83 : x
  2. Step 2: Convert to fraction form
    383,374.40/529,035.08 = 211,291.83/x
  3. Step 3: Cross multiply
    383,374.40x = 529,035.08 × 211,291.83
  4. Step 4: Simplify right side
    383,374.40x = 111,780,790,319.45
  5. Step 5: Solve for x
    x = 111,780,790,319.45/383,374.40
  6. Step 6: Final answer
    x = 291,570.83

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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.