Home / 514,541.06-772,518.56-261,991.25

Finding the Fourth Proportional to 514,541.06, 772,518.56 and 261,991.25

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Solution

The fourth proportional to 514,541.06, 772,518.56 and 261,991.25 is: 393,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,541.06 : 772,518.56 = 261,991.25 : x
  2. Step 2: Convert to fraction form
    514,541.06/772,518.56 = 261,991.25/x
  3. Step 3: Cross multiply
    514,541.06x = 772,518.56 × 261,991.25
  4. Step 4: Simplify right side
    514,541.06x = 202,393,103,803.94
  5. Step 5: Solve for x
    x = 202,393,103,803.94/514,541.06
  6. Step 6: Final answer
    x = 393,346.85

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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.