Home / 531,352.83-733,274.60-289,635.45

Finding the Fourth Proportional to 531,352.83, 733,274.60 and 289,635.45

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Solution

The fourth proportional to 531,352.83, 733,274.60 and 289,635.45 is: 399,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,352.83 : 733,274.60 = 289,635.45 : x
  2. Step 2: Convert to fraction form
    531,352.83/733,274.60 = 289,635.45/x
  3. Step 3: Cross multiply
    531,352.83x = 733,274.60 × 289,635.45
  4. Step 4: Simplify right side
    531,352.83x = 212,382,318,744.57
  5. Step 5: Solve for x
    x = 212,382,318,744.57/531,352.83
  6. Step 6: Final answer
    x = 399,701.12

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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.