Home / 1,243,164.55-1,864,562.07-344,512.58

Finding the Fourth Proportional to 1,243,164.55, 1,864,562.07 and 344,512.58

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Solution

The fourth proportional to 1,243,164.55, 1,864,562.07 and 344,512.58 is: 516,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,164.55 : 1,864,562.07 = 344,512.58 : x
  2. Step 2: Convert to fraction form
    1,243,164.55/1,864,562.07 = 344,512.58/x
  3. Step 3: Cross multiply
    1,243,164.55x = 1,864,562.07 × 344,512.58
  4. Step 4: Simplify right side
    1,243,164.55x = 642,365,089,305.84
  5. Step 5: Solve for x
    x = 642,365,089,305.84/1,243,164.55
  6. Step 6: Final answer
    x = 516,717.67

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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.