Home / 943,784.68-1,302,707.46-642,153.64

Finding the Fourth Proportional to 943,784.68, 1,302,707.46 and 642,153.64

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Solution

The fourth proportional to 943,784.68, 1,302,707.46 and 642,153.64 is: 886,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,784.68 : 1,302,707.46 = 642,153.64 : x
  2. Step 2: Convert to fraction form
    943,784.68/1,302,707.46 = 642,153.64/x
  3. Step 3: Cross multiply
    943,784.68x = 1,302,707.46 × 642,153.64
  4. Step 4: Simplify right side
    943,784.68x = 836,538,337,294.15
  5. Step 5: Solve for x
    x = 836,538,337,294.15/943,784.68
  6. Step 6: Final answer
    x = 886,365.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.