Home / 531,631.20-733,650.60-289,914.24

Finding the Fourth Proportional to 531,631.20, 733,650.60 and 289,914.24

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Solution

The fourth proportional to 531,631.20, 733,650.60 and 289,914.24 is: 400,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,631.20 : 733,650.60 = 289,914.24 : x
  2. Step 2: Convert to fraction form
    531,631.20/733,650.60 = 289,914.24/x
  3. Step 3: Cross multiply
    531,631.20x = 733,650.60 × 289,914.24
  4. Step 4: Simplify right side
    531,631.20x = 212,695,756,124.54
  5. Step 5: Solve for x
    x = 212,695,756,124.54/531,631.20
  6. Step 6: Final answer
    x = 400,081.40

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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.