Home / 622,964.16-933,089.04-409,491.09

Finding the Fourth Proportional to 622,964.16, 933,089.04 and 409,491.09

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Solution

The fourth proportional to 622,964.16, 933,089.04 and 409,491.09 is: 613,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,964.16 : 933,089.04 = 409,491.09 : x
  2. Step 2: Convert to fraction form
    622,964.16/933,089.04 = 409,491.09/x
  3. Step 3: Cross multiply
    622,964.16x = 933,089.04 × 409,491.09
  4. Step 4: Simplify right side
    622,964.16x = 382,091,648,056.65
  5. Step 5: Solve for x
    x = 382,091,648,056.65/622,964.16
  6. Step 6: Final answer
    x = 613,344.51

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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.