Home / 1,200,457.16-1,801,191.18-526,190.48

Finding the Fourth Proportional to 1,200,457.16, 1,801,191.18 and 526,190.48

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Solution

The fourth proportional to 1,200,457.16, 1,801,191.18 and 526,190.48 is: 789,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,457.16 : 1,801,191.18 = 526,190.48 : x
  2. Step 2: Convert to fraction form
    1,200,457.16/1,801,191.18 = 526,190.48/x
  3. Step 3: Cross multiply
    1,200,457.16x = 1,801,191.18 × 526,190.48
  4. Step 4: Simplify right side
    1,200,457.16x = 947,769,642,570.01
  5. Step 5: Solve for x
    x = 947,769,642,570.01/1,200,457.16
  6. Step 6: Final answer
    x = 789,507.26

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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.