Home / 1,149,415.60-1,724,266.54-391,198.80

Finding the Fourth Proportional to 1,149,415.60, 1,724,266.54 and 391,198.80

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Solution

The fourth proportional to 1,149,415.60, 1,724,266.54 and 391,198.80 is: 586,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,415.60 : 1,724,266.54 = 391,198.80 : x
  2. Step 2: Convert to fraction form
    1,149,415.60/1,724,266.54 = 391,198.80/x
  3. Step 3: Cross multiply
    1,149,415.60x = 1,724,266.54 × 391,198.80
  4. Step 4: Simplify right side
    1,149,415.60x = 674,531,001,328.15
  5. Step 5: Solve for x
    x = 674,531,001,328.15/1,149,415.60
  6. Step 6: Final answer
    x = 586,846.92

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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.