Home / 878,469.74-1,317,695.46-452,125.01

Finding the Fourth Proportional to 878,469.74, 1,317,695.46 and 452,125.01

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Solution

The fourth proportional to 878,469.74, 1,317,695.46 and 452,125.01 is: 678,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,469.74 : 1,317,695.46 = 452,125.01 : x
  2. Step 2: Convert to fraction form
    878,469.74/1,317,695.46 = 452,125.01/x
  3. Step 3: Cross multiply
    878,469.74x = 1,317,695.46 × 452,125.01
  4. Step 4: Simplify right side
    878,469.74x = 595,763,073,029.46
  5. Step 5: Solve for x
    x = 595,763,073,029.46/878,469.74
  6. Step 6: Final answer
    x = 678,182.81

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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.