Home / 1,285,520.36-1,774,103.46-712,584.68

Finding the Fourth Proportional to 1,285,520.36, 1,774,103.46 and 712,584.68

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Solution

The fourth proportional to 1,285,520.36, 1,774,103.46 and 712,584.68 is: 983,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,520.36 : 1,774,103.46 = 712,584.68 : x
  2. Step 2: Convert to fraction form
    1,285,520.36/1,774,103.46 = 712,584.68/x
  3. Step 3: Cross multiply
    1,285,520.36x = 1,774,103.46 × 712,584.68
  4. Step 4: Simplify right side
    1,285,520.36x = 1,264,198,946,330.99
  5. Step 5: Solve for x
    x = 1,264,198,946,330.99/1,285,520.36
  6. Step 6: Final answer
    x = 983,414.18

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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.