Home / 531,298.64-733,185.68-289,580.47

Finding the Fourth Proportional to 531,298.64, 733,185.68 and 289,580.47

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Solution

The fourth proportional to 531,298.64, 733,185.68 and 289,580.47 is: 399,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,298.64 : 733,185.68 = 289,580.47 : x
  2. Step 2: Convert to fraction form
    531,298.64/733,185.68 = 289,580.47/x
  3. Step 3: Cross multiply
    531,298.64x = 733,185.68 × 289,580.47
  4. Step 4: Simplify right side
    531,298.64x = 212,316,250,530.80
  5. Step 5: Solve for x
    x = 212,316,250,530.80/531,298.64
  6. Step 6: Final answer
    x = 399,617.53

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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.