Home / 383,637.08-529,407.05-211,562.30

Finding the Fourth Proportional to 383,637.08, 529,407.05 and 211,562.30

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Solution

The fourth proportional to 383,637.08, 529,407.05 and 211,562.30 is: 291,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,637.08 : 529,407.05 = 211,562.30 : x
  2. Step 2: Convert to fraction form
    383,637.08/529,407.05 = 211,562.30/x
  3. Step 3: Cross multiply
    383,637.08x = 529,407.05 × 211,562.30
  4. Step 4: Simplify right side
    383,637.08x = 112,002,573,399.92
  5. Step 5: Solve for x
    x = 112,002,573,399.92/383,637.08
  6. Step 6: Final answer
    x = 291,949.29

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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.