Home / 579,617.17-869,548.77-174,821.69

Finding the Fourth Proportional to 579,617.17, 869,548.77 and 174,821.69

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Solution

The fourth proportional to 579,617.17, 869,548.77 and 174,821.69 is: 262,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,617.17 : 869,548.77 = 174,821.69 : x
  2. Step 2: Convert to fraction form
    579,617.17/869,548.77 = 174,821.69/x
  3. Step 3: Cross multiply
    579,617.17x = 869,548.77 × 174,821.69
  4. Step 4: Simplify right side
    579,617.17x = 152,015,987,682.69
  5. Step 5: Solve for x
    x = 152,015,987,682.69/579,617.17
  6. Step 6: Final answer
    x = 262,269.64

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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.