Home / 531,719.42-733,641.54-313,933.18

Finding the Fourth Proportional to 531,719.42, 733,641.54 and 313,933.18

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Solution

The fourth proportional to 531,719.42, 733,641.54 and 313,933.18 is: 433,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,719.42 : 733,641.54 = 313,933.18 : x
  2. Step 2: Convert to fraction form
    531,719.42/733,641.54 = 313,933.18/x
  3. Step 3: Cross multiply
    531,719.42x = 733,641.54 × 313,933.18
  4. Step 4: Simplify right side
    531,719.42x = 230,314,421,632.30
  5. Step 5: Solve for x
    x = 230,314,421,632.30/531,719.42
  6. Step 6: Final answer
    x = 433,150.29

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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.