Home / 859,713.70-1,289,570.55-741,615.70

Finding the Fourth Proportional to 859,713.70, 1,289,570.55 and 741,615.70

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Solution

The fourth proportional to 859,713.70, 1,289,570.55 and 741,615.70 is: 1,112,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,713.70 : 1,289,570.55 = 741,615.70 : x
  2. Step 2: Convert to fraction form
    859,713.70/1,289,570.55 = 741,615.70/x
  3. Step 3: Cross multiply
    859,713.70x = 1,289,570.55 × 741,615.70
  4. Step 4: Simplify right side
    859,713.70x = 956,365,766,137.64
  5. Step 5: Solve for x
    x = 956,365,766,137.64/859,713.70
  6. Step 6: Final answer
    x = 1,112,423.55

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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.