Home / 1,231,703.60-1,847,171.40-483,978.80

Finding the Fourth Proportional to 1,231,703.60, 1,847,171.40 and 483,978.80

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Solution

The fourth proportional to 1,231,703.60, 1,847,171.40 and 483,978.80 is: 725,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,703.60 : 1,847,171.40 = 483,978.80 : x
  2. Step 2: Convert to fraction form
    1,231,703.60/1,847,171.40 = 483,978.80/x
  3. Step 3: Cross multiply
    1,231,703.60x = 1,847,171.40 × 483,978.80
  4. Step 4: Simplify right side
    1,231,703.60x = 893,991,797,566.32
  5. Step 5: Solve for x
    x = 893,991,797,566.32/1,231,703.60
  6. Step 6: Final answer
    x = 725,817.31

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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.