Home / 1,678,125.40-2,517,552.62-613,165.80

Finding the Fourth Proportional to 1,678,125.40, 2,517,552.62 and 613,165.80

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Solution

The fourth proportional to 1,678,125.40, 2,517,552.62 and 613,165.80 is: 919,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,125.40 : 2,517,552.62 = 613,165.80 : x
  2. Step 2: Convert to fraction form
    1,678,125.40/2,517,552.62 = 613,165.80/x
  3. Step 3: Cross multiply
    1,678,125.40x = 2,517,552.62 × 613,165.80
  4. Step 4: Simplify right side
    1,678,125.40x = 1,543,677,166,284.40
  5. Step 5: Solve for x
    x = 1,543,677,166,284.40/1,678,125.40
  6. Step 6: Final answer
    x = 919,881.89

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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.