Home / 776,185.11-1,071,133.77-436,653.36

Finding the Fourth Proportional to 776,185.11, 1,071,133.77 and 436,653.36

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Solution

The fourth proportional to 776,185.11, 1,071,133.77 and 436,653.36 is: 602,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,185.11 : 1,071,133.77 = 436,653.36 : x
  2. Step 2: Convert to fraction form
    776,185.11/1,071,133.77 = 436,653.36/x
  3. Step 3: Cross multiply
    776,185.11x = 1,071,133.77 × 436,653.36
  4. Step 4: Simplify right side
    776,185.11x = 467,714,159,679.97
  5. Step 5: Solve for x
    x = 467,714,159,679.97/776,185.11
  6. Step 6: Final answer
    x = 602,580.69

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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.