Home / 531,243.30-733,094.34-289,520.66

Finding the Fourth Proportional to 531,243.30, 733,094.34 and 289,520.66

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Solution

The fourth proportional to 531,243.30, 733,094.34 and 289,520.66 is: 399,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,243.30 : 733,094.34 = 289,520.66 : x
  2. Step 2: Convert to fraction form
    531,243.30/733,094.34 = 289,520.66/x
  3. Step 3: Cross multiply
    531,243.30x = 733,094.34 × 289,520.66
  4. Step 4: Simplify right side
    531,243.30x = 212,245,957,159.06
  5. Step 5: Solve for x
    x = 212,245,957,159.06/531,243.30
  6. Step 6: Final answer
    x = 399,526.84

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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.