Home / 482,111.20-722,723.93-257,626.58

Finding the Fourth Proportional to 482,111.20, 722,723.93 and 257,626.58

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Solution

The fourth proportional to 482,111.20, 722,723.93 and 257,626.58 is: 386,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,111.20 : 722,723.93 = 257,626.58 : x
  2. Step 2: Convert to fraction form
    482,111.20/722,723.93 = 257,626.58/x
  3. Step 3: Cross multiply
    482,111.20x = 722,723.93 × 257,626.58
  4. Step 4: Simplify right side
    482,111.20x = 186,192,894,888.74
  5. Step 5: Solve for x
    x = 186,192,894,888.74/482,111.20
  6. Step 6: Final answer
    x = 386,203.22

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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.