Home / 531,845.24-733,948.83-290,127.06

Finding the Fourth Proportional to 531,845.24, 733,948.83 and 290,127.06

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Solution

The fourth proportional to 531,845.24, 733,948.83 and 290,127.06 is: 400,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,845.24 : 733,948.83 = 290,127.06 : x
  2. Step 2: Convert to fraction form
    531,845.24/733,948.83 = 290,127.06/x
  3. Step 3: Cross multiply
    531,845.24x = 733,948.83 × 290,127.06
  4. Step 4: Simplify right side
    531,845.24x = 212,938,416,238.34
  5. Step 5: Solve for x
    x = 212,938,416,238.34/531,845.24
  6. Step 6: Final answer
    x = 400,376.66

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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.