Home / 383,637.59-529,407.74-211,562.81

Finding the Fourth Proportional to 383,637.59, 529,407.74 and 211,562.81

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Solution

The fourth proportional to 383,637.59, 529,407.74 and 211,562.81 is: 291,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,637.59 : 529,407.74 = 211,562.81 : x
  2. Step 2: Convert to fraction form
    383,637.59/529,407.74 = 211,562.81/x
  3. Step 3: Cross multiply
    383,637.59x = 529,407.74 × 211,562.81
  4. Step 4: Simplify right side
    383,637.59x = 112,002,985,405.30
  5. Step 5: Solve for x
    x = 112,002,985,405.30/383,637.59
  6. Step 6: Final answer
    x = 291,949.98

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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.