Home / 681,304.30-1,021,956.45-414,927.70

Finding the Fourth Proportional to 681,304.30, 1,021,956.45 and 414,927.70

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Solution

The fourth proportional to 681,304.30, 1,021,956.45 and 414,927.70 is: 622,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,304.30 : 1,021,956.45 = 414,927.70 : x
  2. Step 2: Convert to fraction form
    681,304.30/1,021,956.45 = 414,927.70/x
  3. Step 3: Cross multiply
    681,304.30x = 1,021,956.45 × 414,927.70
  4. Step 4: Simplify right side
    681,304.30x = 424,038,039,298.67
  5. Step 5: Solve for x
    x = 424,038,039,298.67/681,304.30
  6. Step 6: Final answer
    x = 622,391.55

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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.