Home / 856,523.06-1,283,382.93-518,539.31

Finding the Fourth Proportional to 856,523.06, 1,283,382.93 and 518,539.31

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Solution

The fourth proportional to 856,523.06, 1,283,382.93 and 518,539.31 is: 776,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,523.06 : 1,283,382.93 = 518,539.31 : x
  2. Step 2: Convert to fraction form
    856,523.06/1,283,382.93 = 518,539.31/x
  3. Step 3: Cross multiply
    856,523.06x = 1,283,382.93 × 518,539.31
  4. Step 4: Simplify right side
    856,523.06x = 665,484,498,987.98
  5. Step 5: Solve for x
    x = 665,484,498,987.98/856,523.06
  6. Step 6: Final answer
    x = 776,960.40

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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.