Home / 554,935.04-765,812.37-300,286.23

Finding the Fourth Proportional to 554,935.04, 765,812.37 and 300,286.23

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Solution

The fourth proportional to 554,935.04, 765,812.37 and 300,286.23 is: 414,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,935.04 : 765,812.37 = 300,286.23 : x
  2. Step 2: Convert to fraction form
    554,935.04/765,812.37 = 300,286.23/x
  3. Step 3: Cross multiply
    554,935.04x = 765,812.37 × 300,286.23
  4. Step 4: Simplify right side
    554,935.04x = 229,962,909,474.67
  5. Step 5: Solve for x
    x = 229,962,909,474.67/554,935.04
  6. Step 6: Final answer
    x = 414,396.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.