Home / 1,149,405.96-1,724,252.09-391,189.16

Finding the Fourth Proportional to 1,149,405.96, 1,724,252.09 and 391,189.16

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Solution

The fourth proportional to 1,149,405.96, 1,724,252.09 and 391,189.16 is: 586,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,405.96 : 1,724,252.09 = 391,189.16 : x
  2. Step 2: Convert to fraction form
    1,149,405.96/1,724,252.09 = 391,189.16/x
  3. Step 3: Cross multiply
    1,149,405.96x = 1,724,252.09 × 391,189.16
  4. Step 4: Simplify right side
    1,149,405.96x = 674,508,729,070.03
  5. Step 5: Solve for x
    x = 674,508,729,070.03/1,149,405.96
  6. Step 6: Final answer
    x = 586,832.46

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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.