Home / 579,023.53-867,574.89-409,704.58

Finding the Fourth Proportional to 579,023.53, 867,574.89 and 409,704.58

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Solution

The fourth proportional to 579,023.53, 867,574.89 and 409,704.58 is: 613,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,023.53 : 867,574.89 = 409,704.58 : x
  2. Step 2: Convert to fraction form
    579,023.53/867,574.89 = 409,704.58/x
  3. Step 3: Cross multiply
    579,023.53x = 867,574.89 × 409,704.58
  4. Step 4: Simplify right side
    579,023.53x = 355,449,405,926.00
  5. Step 5: Solve for x
    x = 355,449,405,926.00/579,023.53
  6. Step 6: Final answer
    x = 613,877.31

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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.