Home / 451,928.34-623,680.65-270,669.78

Finding the Fourth Proportional to 451,928.34, 623,680.65 and 270,669.78

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Solution

The fourth proportional to 451,928.34, 623,680.65 and 270,669.78 is: 373,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,928.34 : 623,680.65 = 270,669.78 : x
  2. Step 2: Convert to fraction form
    451,928.34/623,680.65 = 270,669.78/x
  3. Step 3: Cross multiply
    451,928.34x = 623,680.65 × 270,669.78
  4. Step 4: Simplify right side
    451,928.34x = 168,811,504,325.76
  5. Step 5: Solve for x
    x = 168,811,504,325.76/451,928.34
  6. Step 6: Final answer
    x = 373,536.00

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Why These Related Problems?

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