Home / 1,261,827.08-1,741,420.74-717,985.76

Finding the Fourth Proportional to 1,261,827.08, 1,741,420.74 and 717,985.76

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Solution

The fourth proportional to 1,261,827.08, 1,741,420.74 and 717,985.76 is: 990,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,827.08 : 1,741,420.74 = 717,985.76 : x
  2. Step 2: Convert to fraction form
    1,261,827.08/1,741,420.74 = 717,985.76/x
  3. Step 3: Cross multiply
    1,261,827.08x = 1,741,420.74 × 717,985.76
  4. Step 4: Simplify right side
    1,261,827.08x = 1,250,315,293,488.66
  5. Step 5: Solve for x
    x = 1,250,315,293,488.66/1,261,827.08
  6. Step 6: Final answer
    x = 990,876.89

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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.