Home / 1,778,607.18-2,667,917.07-430,770.69

Finding the Fourth Proportional to 1,778,607.18, 2,667,917.07 and 430,770.69

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Solution

The fourth proportional to 1,778,607.18, 2,667,917.07 and 430,770.69 is: 646,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,607.18 : 2,667,917.07 = 430,770.69 : x
  2. Step 2: Convert to fraction form
    1,778,607.18/2,667,917.07 = 430,770.69/x
  3. Step 3: Cross multiply
    1,778,607.18x = 2,667,917.07 × 430,770.69
  4. Step 4: Simplify right side
    1,778,607.18x = 1,149,260,477,106.68
  5. Step 5: Solve for x
    x = 1,149,260,477,106.68/1,778,607.18
  6. Step 6: Final answer
    x = 646,157.56

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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.