Home / 531,209.53-733,059.48-289,494.19

Finding the Fourth Proportional to 531,209.53, 733,059.48 and 289,494.19

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Solution

The fourth proportional to 531,209.53, 733,059.48 and 289,494.19 is: 399,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,209.53 : 733,059.48 = 289,494.19 : x
  2. Step 2: Convert to fraction form
    531,209.53/733,059.48 = 289,494.19/x
  3. Step 3: Cross multiply
    531,209.53x = 733,059.48 × 289,494.19
  4. Step 4: Simplify right side
    531,209.53x = 212,216,460,384.42
  5. Step 5: Solve for x
    x = 212,216,460,384.42/531,209.53
  6. Step 6: Final answer
    x = 399,496.71

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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.