Home / 531,236.29-733,084.69-289,513.66

Finding the Fourth Proportional to 531,236.29, 733,084.69 and 289,513.66

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Solution

The fourth proportional to 531,236.29, 733,084.69 and 289,513.66 is: 399,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,236.29 : 733,084.69 = 289,513.66 : x
  2. Step 2: Convert to fraction form
    531,236.29/733,084.69 = 289,513.66/x
  3. Step 3: Cross multiply
    531,236.29x = 733,084.69 × 289,513.66
  4. Step 4: Simplify right side
    531,236.29x = 212,238,031,691.87
  5. Step 5: Solve for x
    x = 212,238,031,691.87/531,236.29
  6. Step 6: Final answer
    x = 399,517.19

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Double scale
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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.