Home / 1,265,861.25-1,746,821.43-692,790.57

Finding the Fourth Proportional to 1,265,861.25, 1,746,821.43 and 692,790.57

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Solution

The fourth proportional to 1,265,861.25, 1,746,821.43 and 692,790.57 is: 956,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,861.25 : 1,746,821.43 = 692,790.57 : x
  2. Step 2: Convert to fraction form
    1,265,861.25/1,746,821.43 = 692,790.57/x
  3. Step 3: Cross multiply
    1,265,861.25x = 1,746,821.43 × 692,790.57
  4. Step 4: Simplify right side
    1,265,861.25x = 1,210,181,414,177.92
  5. Step 5: Solve for x
    x = 1,210,181,414,177.92/1,265,861.25
  6. Step 6: Final answer
    x = 956,014.27

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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.