Home / 878,468.24-1,317,693.21-452,123.51

Finding the Fourth Proportional to 878,468.24, 1,317,693.21 and 452,123.51

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Solution

The fourth proportional to 878,468.24, 1,317,693.21 and 452,123.51 is: 678,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,468.24 : 1,317,693.21 = 452,123.51 : x
  2. Step 2: Convert to fraction form
    878,468.24/1,317,693.21 = 452,123.51/x
  3. Step 3: Cross multiply
    878,468.24x = 1,317,693.21 × 452,123.51
  4. Step 4: Simplify right side
    878,468.24x = 595,760,079,208.37
  5. Step 5: Solve for x
    x = 595,760,079,208.37/878,468.24
  6. Step 6: Final answer
    x = 678,180.56

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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.