Home / 617,431.20-928,115.10-582,001.80

Finding the Fourth Proportional to 617,431.20, 928,115.10 and 582,001.80

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Solution

The fourth proportional to 617,431.20, 928,115.10 and 582,001.80 is: 874,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,431.20 : 928,115.10 = 582,001.80 : x
  2. Step 2: Convert to fraction form
    617,431.20/928,115.10 = 582,001.80/x
  3. Step 3: Cross multiply
    617,431.20x = 928,115.10 × 582,001.80
  4. Step 4: Simplify right side
    617,431.20x = 540,164,658,807.18
  5. Step 5: Solve for x
    x = 540,164,658,807.18/617,431.20
  6. Step 6: Final answer
    x = 874,858.06

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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.