Home / 492,629.03-739,275.18-172,783.87

Finding the Fourth Proportional to 492,629.03, 739,275.18 and 172,783.87

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Solution

The fourth proportional to 492,629.03, 739,275.18 and 172,783.87 is: 259,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,629.03 : 739,275.18 = 172,783.87 : x
  2. Step 2: Convert to fraction form
    492,629.03/739,275.18 = 172,783.87/x
  3. Step 3: Cross multiply
    492,629.03x = 739,275.18 × 172,783.87
  4. Step 4: Simplify right side
    492,629.03x = 127,734,824,585.17
  5. Step 5: Solve for x
    x = 127,734,824,585.17/492,629.03
  6. Step 6: Final answer
    x = 259,292.12

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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.