Home / 1,415,307.88-1,952,976.45-826,625.80

Finding the Fourth Proportional to 1,415,307.88, 1,952,976.45 and 826,625.80

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Solution

The fourth proportional to 1,415,307.88, 1,952,976.45 and 826,625.80 is: 1,140,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,307.88 : 1,952,976.45 = 826,625.80 : x
  2. Step 2: Convert to fraction form
    1,415,307.88/1,952,976.45 = 826,625.80/x
  3. Step 3: Cross multiply
    1,415,307.88x = 1,952,976.45 × 826,625.80
  4. Step 4: Simplify right side
    1,415,307.88x = 1,614,380,720,362.41
  5. Step 5: Solve for x
    x = 1,614,380,720,362.41/1,415,307.88
  6. Step 6: Final answer
    x = 1,140,656.92

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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.