Home / 531,650.11-733,734.05-325,039.74

Finding the Fourth Proportional to 531,650.11, 733,734.05 and 325,039.74

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Solution

The fourth proportional to 531,650.11, 733,734.05 and 325,039.74 is: 448,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,650.11 : 733,734.05 = 325,039.74 : x
  2. Step 2: Convert to fraction form
    531,650.11/733,734.05 = 325,039.74/x
  3. Step 3: Cross multiply
    531,650.11x = 733,734.05 × 325,039.74
  4. Step 4: Simplify right side
    531,650.11x = 238,492,724,841.15
  5. Step 5: Solve for x
    x = 238,492,724,841.15/531,650.11
  6. Step 6: Final answer
    x = 448,589.63

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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.