Home / 515,826.76-773,387.24-262,617.28

Finding the Fourth Proportional to 515,826.76, 773,387.24 and 262,617.28

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Solution

The fourth proportional to 515,826.76, 773,387.24 and 262,617.28 is: 393,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,826.76 : 773,387.24 = 262,617.28 : x
  2. Step 2: Convert to fraction form
    515,826.76/773,387.24 = 262,617.28/x
  3. Step 3: Cross multiply
    515,826.76x = 773,387.24 × 262,617.28
  4. Step 4: Simplify right side
    515,826.76x = 203,104,853,355.51
  5. Step 5: Solve for x
    x = 203,104,853,355.51/515,826.76
  6. Step 6: Final answer
    x = 393,746.25

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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.