Home / 531,812.25-733,905.57-290,095.89

Finding the Fourth Proportional to 531,812.25, 733,905.57 and 290,095.89

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Solution

The fourth proportional to 531,812.25, 733,905.57 and 290,095.89 is: 400,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,812.25 : 733,905.57 = 290,095.89 : x
  2. Step 2: Convert to fraction form
    531,812.25/733,905.57 = 290,095.89/x
  3. Step 3: Cross multiply
    531,812.25x = 733,905.57 × 290,095.89
  4. Step 4: Simplify right side
    531,812.25x = 212,902,989,505.11
  5. Step 5: Solve for x
    x = 212,902,989,505.11/531,812.25
  6. Step 6: Final answer
    x = 400,334.87

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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.