Home / 531,296.62-733,184.66-289,579.20

Finding the Fourth Proportional to 531,296.62, 733,184.66 and 289,579.20

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Solution

The fourth proportional to 531,296.62, 733,184.66 and 289,579.20 is: 399,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,296.62 : 733,184.66 = 289,579.20 : x
  2. Step 2: Convert to fraction form
    531,296.62/733,184.66 = 289,579.20/x
  3. Step 3: Cross multiply
    531,296.62x = 733,184.66 × 289,579.20
  4. Step 4: Simplify right side
    531,296.62x = 212,315,027,295.07
  5. Step 5: Solve for x
    x = 212,315,027,295.07/531,296.62
  6. Step 6: Final answer
    x = 399,616.75

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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.