Home / 531,525.20-733,508.24-289,811.76

Finding the Fourth Proportional to 531,525.20, 733,508.24 and 289,811.76

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Solution

The fourth proportional to 531,525.20, 733,508.24 and 289,811.76 is: 399,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,525.20 : 733,508.24 = 289,811.76 : x
  2. Step 2: Convert to fraction form
    531,525.20/733,508.24 = 289,811.76/x
  3. Step 3: Cross multiply
    531,525.20x = 733,508.24 × 289,811.76
  4. Step 4: Simplify right side
    531,525.20x = 212,579,314,008.90
  5. Step 5: Solve for x
    x = 212,579,314,008.90/531,525.20
  6. Step 6: Final answer
    x = 399,942.12

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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.