Home / 707,362.62-1,061,054.94-393,812.46

Finding the Fourth Proportional to 707,362.62, 1,061,054.94 and 393,812.46

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Solution

The fourth proportional to 707,362.62, 1,061,054.94 and 393,812.46 is: 590,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,362.62 : 1,061,054.94 = 393,812.46 : x
  2. Step 2: Convert to fraction form
    707,362.62/1,061,054.94 = 393,812.46/x
  3. Step 3: Cross multiply
    707,362.62x = 1,061,054.94 × 393,812.46
  4. Step 4: Simplify right side
    707,362.62x = 417,856,656,116.55
  5. Step 5: Solve for x
    x = 417,856,656,116.55/707,362.62
  6. Step 6: Final answer
    x = 590,724.82

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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.