Home / 515,823.77-773,382.74-262,614.28

Finding the Fourth Proportional to 515,823.77, 773,382.74 and 262,614.28

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Solution

The fourth proportional to 515,823.77, 773,382.74 and 262,614.28 is: 393,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,823.77 : 773,382.74 = 262,614.28 : x
  2. Step 2: Convert to fraction form
    515,823.77/773,382.74 = 262,614.28/x
  3. Step 3: Cross multiply
    515,823.77x = 773,382.74 × 262,614.28
  4. Step 4: Simplify right side
    515,823.77x = 203,101,349,950.72
  5. Step 5: Solve for x
    x = 203,101,349,950.72/515,823.77
  6. Step 6: Final answer
    x = 393,741.74

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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.