Home / 648,368.85-972,594.64-269,320.44

Finding the Fourth Proportional to 648,368.85, 972,594.64 and 269,320.44

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Solution

The fourth proportional to 648,368.85, 972,594.64 and 269,320.44 is: 403,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,368.85 : 972,594.64 = 269,320.44 : x
  2. Step 2: Convert to fraction form
    648,368.85/972,594.64 = 269,320.44/x
  3. Step 3: Cross multiply
    648,368.85x = 972,594.64 × 269,320.44
  4. Step 4: Simplify right side
    648,368.85x = 261,939,620,370.32
  5. Step 5: Solve for x
    x = 261,939,620,370.32/648,368.85
  6. Step 6: Final answer
    x = 403,997.85

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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.