Home / 531,301.27-733,189.30-289,583.09

Finding the Fourth Proportional to 531,301.27, 733,189.30 and 289,583.09

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Solution

The fourth proportional to 531,301.27, 733,189.30 and 289,583.09 is: 399,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,301.27 : 733,189.30 = 289,583.09 : x
  2. Step 2: Convert to fraction form
    531,301.27/733,189.30 = 289,583.09/x
  3. Step 3: Cross multiply
    531,301.27x = 733,189.30 × 289,583.09
  4. Step 4: Simplify right side
    531,301.27x = 212,319,224,157.95
  5. Step 5: Solve for x
    x = 212,319,224,157.95/531,301.27
  6. Step 6: Final answer
    x = 399,621.15

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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.