Home / 452,213.73-678,313.57-152,904.51

Finding the Fourth Proportional to 452,213.73, 678,313.57 and 152,904.51

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Solution

The fourth proportional to 452,213.73, 678,313.57 and 152,904.51 is: 229,354.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,213.73 : 678,313.57 = 152,904.51 : x
  2. Step 2: Convert to fraction form
    452,213.73/678,313.57 = 152,904.51/x
  3. Step 3: Cross multiply
    452,213.73x = 678,313.57 × 152,904.51
  4. Step 4: Simplify right side
    452,213.73x = 103,717,204,047.20
  5. Step 5: Solve for x
    x = 103,717,204,047.20/452,213.73
  6. Step 6: Final answer
    x = 229,354.39

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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.