Home / 1,261,899.61-1,741,347.53-688,824.61

Finding the Fourth Proportional to 1,261,899.61, 1,741,347.53 and 688,824.61

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Solution

The fourth proportional to 1,261,899.61, 1,741,347.53 and 688,824.61 is: 950,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,899.61 : 1,741,347.53 = 688,824.61 : x
  2. Step 2: Convert to fraction form
    1,261,899.61/1,741,347.53 = 688,824.61/x
  3. Step 3: Cross multiply
    1,261,899.61x = 1,741,347.53 × 688,824.61
  4. Step 4: Simplify right side
    1,261,899.61x = 1,199,483,029,782.59
  5. Step 5: Solve for x
    x = 1,199,483,029,782.59/1,261,899.61
  6. Step 6: Final answer
    x = 950,537.60

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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.