Home / 458,736.04-688,199.73-231,159.57

Finding the Fourth Proportional to 458,736.04, 688,199.73 and 231,159.57

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Solution

The fourth proportional to 458,736.04, 688,199.73 and 231,159.57 is: 346,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,736.04 : 688,199.73 = 231,159.57 : x
  2. Step 2: Convert to fraction form
    458,736.04/688,199.73 = 231,159.57/x
  3. Step 3: Cross multiply
    458,736.04x = 688,199.73 × 231,159.57
  4. Step 4: Simplify right side
    458,736.04x = 159,083,953,660.92
  5. Step 5: Solve for x
    x = 159,083,953,660.92/458,736.04
  6. Step 6: Final answer
    x = 346,787.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.