Home / 1,078,656.13-1,617,563.70-404,369.51

Finding the Fourth Proportional to 1,078,656.13, 1,617,563.70 and 404,369.51

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Solution

The fourth proportional to 1,078,656.13, 1,617,563.70 and 404,369.51 is: 606,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,656.13 : 1,617,563.70 = 404,369.51 : x
  2. Step 2: Convert to fraction form
    1,078,656.13/1,617,563.70 = 404,369.51/x
  3. Step 3: Cross multiply
    1,078,656.13x = 1,617,563.70 × 404,369.51
  4. Step 4: Simplify right side
    1,078,656.13x = 654,093,440,762.79
  5. Step 5: Solve for x
    x = 654,093,440,762.79/1,078,656.13
  6. Step 6: Final answer
    x = 606,396.63

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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.